[Federal Register Volume 89, Number 61 (Thursday, March 28, 2024)]
[Rules and Regulations]
[Pages 21432-21436]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2024-06478]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2023-1805; Project Identifier AD-2023-00019-T;
Amendment 39-22695; AD 2024-05-04]
RIN 2120-AA64
Airworthiness Directives; Gulfstream Aerospace Corporation
Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
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SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2020-23-
04, which applied to certain Gulfstream Aerospace Corporation Model
GVII-G500 and GVII-G600 airplanes. AD 2020-23-04 required revising the
existing airplane flight manual (AFM) and airplane maintenance manual
(AMM) to include information pertaining to the fuel boost pump. This AD
was prompted by a report of misassembled impellers on the shaft of the
fuel boost pump during production. This AD retains the requirements of
AD 2020-23-04 and requires inspecting affected fuel boost pumps for
proper installation of the impeller shaft key, marking affected fuel
boost pumps that pass that inspection, and replacing fuel boost pumps
that fail. This AD also limits the installation of affected fuel boost
pumps. The FAA is issuing this AD to address the unsafe condition on
these products.
DATES: This AD is effective May 2, 2024.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in this AD as of May 2, 2024.
The Director of the Federal Register approved the incorporation by
reference of certain other publications listed in this AD as of
November 24, 2020 (85 FR 71232, November 9, 2020).
ADDRESSES:
AD Docket: You may examine the AD docket at regulations.gov under
Docket No. FAA-2023-1805; or in person at Docket Operations between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD
docket contains this final rule, any comments received, and other
information. The address for Docket Operations is U.S. Department of
Transportation, Docket Operations, M-30, West Building Ground Floor,
Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.
Material Incorporated by Reference:
For service information identified in this final rule,
contact Gulfstream Aerospace Corporation, Technical Publications Dept.,
P.O. Box 2206, Savannah, GA 31402-2206; telephone 800-810-4853; email
[email protected]; website gulfstream.com/en/customer-support.
You may view this service information at the FAA,
Airworthiness Products Section, Operational Safety Branch, 2200 South
216th St., Des Moines, WA. For information on the availability of this
material at the FAA, call 206-231-3195. It is also available at
regulations.gov under Docket No. FAA-2023-1805.
FOR FURTHER INFORMATION CONTACT: Jared Meyer, Aviation Safety Engineer,
FAA, 1701 Columbia Avenue, College Park, GA 30337; phone: 404-474-5534;
email: [email protected].
SUPPLEMENTARY INFORMATION:
Background
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 to supersede AD 2020-23-04, Amendment 39-21320 (85 FR
71232, November 9, 2020) (AD 2020-23-04). AD 2020-23-04 applied to
certain Gulfstream Aerospace Corporation Model GVII-G500 and GVII-G600
airplanes. The NPRM published in the Federal Register on September 5,
2023 (88 FR 60606). The NPRM was prompted by a report of misassembled
impellers on the shaft of the fuel boost pump during production. In the
NPRM, the FAA proposed to continue to require revising the existing AFM
and AMM to include information pertaining to the fuel boost pump. The
NPRM also proposed to require inspecting affected fuel boost pumps for
proper installation of the impeller shaft key, marking affected fuel
boost pumps that pass that inspection, and replacing fuel boost pumps
that fail. The NPRM also proposed to limit installation of affected
fuel boost pumps. The FAA is issuing this AD to prevent the ignition of
flammable vapors in the fuel tank as a result of frictional heating or
sparks caused by a missing, misplaced, or dislodged impeller shaft key
inside the fuel boost pump. The unsafe condition, if not addressed,
could result in a potential source of ignition in the fuel tank and
consequent fire or explosion.
Discussion of Final Airworthiness Directive
Comments
The FAA received a comment from an anonymous commenter who
supported the NPRM without change.
The FAA received additional comments from Gulfstream Aerospace
Corporation (Gulfstream). The following
[[Page 21433]]
presents the comments received on the NPRM and the FAA's response to
each comment.
Request To Change the Maintenance Manual Version
Gulfstream requested that the FAA change the maintenance manual
revision dates specified in paragraph (g) of the proposed AD to refer
to subsequent dates. Gulfstream stated that GVII-G600 Maintenance
Manual 28-26-04 Fuel Boost Pump-Removal/Installation Procedure, dated
August 31, 2020, was revised March 31, 2023, to include non-technical
changes (including the use of puller tool to reduce risk of damage to
Fuel Boost Pump (FBP) during removal with a caution note to avoid
excess force when removing FBP and a step to record FBP serial number
to determine serviceability). Gulfstream also stated that GVII-G500
Maintenance Manual 12-13-01 Defueling Procedure-Defuel, dated August
31, 2020, and GVII-G600 Maintenance Manual 12-13-01 Defueling
Procedure-Defuel, dated August 31, 2020, were revised on September 30,
2023, due to an administrative error.
The FAA agrees with the request. The revised defueling procedure
requested by Gulfstream is acceptable because it instructs fuel boost
pump maintenance to be performed in a way that addresses the unsafe
condition and it prevents damage to the parts being removed/installed.
The FAA has revised paragraphs (g)(1)(i), (ii), (iii), and (v) of this
AD accordingly.
Request To Change Paragraph (i) of the Proposed AD
Gulfstream requested that the compliance time in paragraph (i) of
the proposed AD be revised from ``replacing the pump before further
flight'' to ``replacing the pump following the completion of the CB
[customer bulletin] before further flight.'' Gulfstream reported the
statement ``this AD requires replacing the pump before further flight
in accordance with the requirements of paragraph (h) of this AD'' in
paragraph (i) of the proposed AD could be misleading. Gulfstream stated
it believes this statement could be misunderstood by operators to mean
that the AD immediately grounds their aircraft.
The FAA agrees with the commenter that paragraph (i) of this AD
should be revised to clarify the intent of this AD. Operators have 24
months to comply with all applicable actions required by paragraph (h)
of this AD. The FAA has revised paragraph (i) of this AD by removing
the reference to ``before further flight'' and specifying that where
the service information says to return a pump, this AD requires that
the pump must be replaced.
Request for Removing GVII-G500 AFM
Gulfstream requested removing reference to ``Gulfstream Aerospace
GVII-G500 Airplane Flight Manual Supplement No. GVII-G500-2020-06,
dated September 8, 2020,'' from paragraph (g)(2)(ii) of the proposed
AD; Gulfstream stated there are no GVII-G500 airplanes in this
configuration, all aircraft have been updated to GVII Block 1 software
configuration, therefore this reference to the airplane flight manual
supplement is not applicable.
The FAA has confirmed with Gulfstream that Gulfstream Aerospace
GVII-G500 Airplane Flight Manual Supplement No. GVII-G500-2020-06,
dated September 8, 2020, is no longer applicable to the existing fleet.
However, Gulfstream Aerospace GVII-G500 Airplane Flight Manual
Supplement No. GVII-G500-2020-06, dated September 8, 2020, is retained
in this AD. Operators may have previously complied with paragraph
(g)(2)(ii) of AD 2020-23-04 using GVII-G500 Airplane Flight Manual
Supplement No. GVII-G500-2020-06, dated September 8, 2020. Therefore,
to provide credit to operators who have already complied with the
service information and reduce the need for alternative method of
compliance (AMOC) requests, the FAA has determined that this AD should
include reference to GVII-G500 Airplane Flight Manual Supplement No.
GVII-G500-2020-06, dated September 8, 2020. No changes have been made
to this AD in this regard.
Conclusion
The FAA reviewed the relevant data, considered any comments
received, and determined that air safety requires adopting this AD as
proposed. Accordingly, the FAA is issuing this AD to address the unsafe
condition on these products. Except for minor editorial changes, and
any other changes described previously, this AD is adopted as proposed
in the NPRM. None of the changes will increase the economic burden on
any operator.
Related Service Information Under 1 CFR Part 51
The FAA reviewed Gulfstream GVII-G500 Customer Bulletin No. 069 and
Gulfstream GVII-G600 Customer Bulletin No. 037, both Revision A, both
dated February 2, 2023. This service information specifies procedures
for inspecting affected fuel boost pumps for proper installation of the
impeller shaft key, marking affected fuel boost pumps that pass that
inspection, and replacing fuel boost pumps that fail. These documents
are distinct since they apply to different airplane models.
The FAA also reviewed the following AMM documents, which contain
revised maintenance procedures pertaining to the fuel boost pump. These
documents are distinct since they apply to different airplane models.
12-13-01 Defueling Procedure-Defuel, 12-13 Fueling and
Defueling Operations Replenishing, Chapter 12--Servicing, Gulfstream
Aerospace GVII-G500 Aircraft Maintenance Manual, Document Number GAC-
AC-GVII-G500-AMM-0001, Revision 16, dated November 30, 2023.
12-13-01 Defueling Procedure-Defuel, 12-13 Fueling and
Defueling Operations Replenishing, Chapter 12--Servicing, Gulfstream
Aerospace GVII-G600 Aircraft Maintenance Manual, Document Number GAC-
AC-GVII-G600-AMM-0001, Revision 12, dated November 30, 2023.
28-26-04 Fuel Boost Pump-Prime, 28-26 Engine and APU Fuel
Delivery, Chapter 28--Fuel, Gulfstream Aerospace GVII-G500 Aircraft
Maintenance Manual, Document Number GAC-AC-GVII-G500-AMM-0001, Revision
16, dated November 30, 2023.
28-26-04 Fuel Boost Pump-Removal/Installation, 28-26
Engine and APU Fuel Delivery, Chapter 28--Fuel, Gulfstream Aerospace
GVII-G600 Aircraft Maintenance Manual, Document Number GAC-AC-GVII-
G600-AMM-0001, Revision 12, dated November 30, 2023.
This AD also requires the following Gulfstream service information,
which the Director of the Federal Register approved for incorporation
by reference as of November 24, 2020 (85 FR 71232, November 8, 2020).
(Although the maintenance manual documents have the watermarked words
``advance copy'' on each page of the document, these are not advance
draft copies but final versions of temporary revisions to the AMM,
pending incorporation into the AMM at the next revision.)
Gulfstream Aerospace GVII-G500 Airplane Flight Manual
Supplement No. GVII-G500 (Issue 1)--2020-05, dated September 8, 2020.
Gulfstream Aerospace GVII-G500 Airplane Flight Manual
Supplement No. GVII-G500-2020-06, dated September 8, 2020.
Gulfstream Aerospace GVII-G600 Airplane Flight Manual
Supplement No. GVII-G600-2020-06 dated September 8, 2020.
[[Page 21434]]
GVII-G500 Maintenance Manual 12-13-01 Defueling Procedure-
Defuel, dated August 31, 2020.
GVII-G500 Maintenance Manual 28-26-04 Fuel Boost Pump-
Prime, dated August 31, 2020.
GVII-G600 Maintenance Manual 12-13-01 Defueling Procedure-
Defuel, dated August 31, 2020.
GVII-G600 Maintenance Manual 28-26-04 Fuel Boost Pump-
Prime, dated August 31, 2020.
GVII-G600 Maintenance Manual 28-26-04 Fuel Boost Pump-
Removal/Installation, dated August 31, 2020.
GVII-G600 Maintenance Manual 28-26-05 Fuel Boost Pump
Canister-Removal/Installation, dated August 31, 2020.
This service information is reasonably available because the
interested parties have access to it through their normal course of
business or by the means identified in ADDRESSES.
Costs of Compliance
The FAA estimates that this AD affects 89 airplanes of U.S.
registry. The FAA estimates the following costs to comply with this AD:
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Cost per Cost on U.S.
Action Labor cost Parts cost product operators
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Incorporate information into AMM and AFM 2 work-hours x $85 per hour $0 $170 $15,130
(retained actions from AD 2020-23-04). = $170.
Impeller shaft key inspection (new 36 work-hours x $85 per 0 3,060 272,340
action). hour = $3,060.
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The FAA estimates the following costs to do any necessary part
marking and fuel boost pump replacements that would be required based
on the results of the inspection for proper installation. The FAA has
no way of determining the number of aircraft that might need these
actions:
On-Condition Costs
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Cost per
Action Labor cost Parts cost product
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Part marking................. 0.5 work-hour x $10 $52.50
$85 per hour =
$42.50.
Fuel pump replacement (per 10 work-hours x 106,706 107,556
fuel boost pump). $85 per hour =
$850.
------------------------------------------------------------------------
The FAA has included all known costs in its cost estimate.
According to the manufacturer, however, some or all of the costs of
this AD may be covered under warranty, thereby reducing the cost impact
on affected operators.
Authority for This Rulemaking
Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. Subtitle VII: Aviation Programs,
describes in more detail the scope of the Agency's authority.
The FAA is issuing this rulemaking under the authority described in
Subtitle VII, Part A, Subpart III, Section 44701: General requirements.
Under that section, Congress charges the FAA with promoting safe flight
of civil aircraft in air commerce by prescribing regulations for
practices, methods, and procedures the Administrator finds necessary
for safety in air commerce. This regulation is within the scope of that
authority because it addresses an unsafe condition that is likely to
exist or develop on products identified in this rulemaking action.
Regulatory Findings
This AD will not have federalism implications under Executive Order
13132. This AD will not have a substantial direct effect on the States,
on the relationship between the national government and the States, or
on the distribution of power and responsibilities among the various
levels of government.
For the reasons discussed above, I certify that this AD:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Will not affect intrastate aviation in Alaska, and
(3) Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
The Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 14 CFR part 39 as follows:
PART 39--AIRWORTHINESS DIRECTIVES
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by:
0
a. Removing Airworthiness Directive (AD) 2020-23-04, Amendment 39-21320
(85 FR 71232, November 9, 2020); and
0
b. Adding the following new AD:
2024-05-04 Gulfstream Aerospace Corporation: Amendment 39-22695;
Docket No. FAA-2023-1805; Project Identifier AD-2023-00019-T.
(a) Effective Date
This airworthiness directive (AD) is effective May 2, 2024.
(b) Affected ADs
This AD replaces AD 2020-23-04, Amendment 39-21320 (85 FR 71232,
November 9, 2020) (AD 2020-23-04).
(c) Applicability
This AD applies to the Gulfstream Aerospace Corporation
airplanes, certificated in any category, identified in paragraphs
(c)(1) and (2) of this AD.
(1) Model GVII-G500 airplanes, serial numbers (S/Ns) 72001 and
subsequent.
[[Page 21435]]
(2) Model GVII-G600 airplanes, S/Ns 73001 and subsequent.
(d) Subject
Air Transport Association (ATA) of America Code 2822, Fuel Boost
Pump.
(e) Unsafe Condition
This AD was prompted by a report of misassembled impellers onto
the shaft of the fuel boost pump during production. The FAA is
issuing this AD to prevent the ignition of flammable vapors in the
fuel tank as a result of frictional heating or sparks caused by a
missing, misplaced, or dislodged impeller shaft key inside the fuel
boost pump. The unsafe condition, if not addressed, could result in
a potential source of ignition in the fuel tank and consequent fire
or explosion.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Retained Manual Updates, With Updated Service Information
This paragraph restates the requirements of paragraph (g) of AD
2020-23-04, with updated service information. For Model GVII-G500
airplane S/Ns 72001 and 72007 through 72062 inclusive; and Model
GVII-G600 airplane S/Ns 73002, 73004, 73006 through 73040 inclusive,
73042, and 73043: Within 14 days after November 24, 2020 (the
effective date of AD 2020-23-04), do the actions in paragraphs
(g)(1) through (3) of this AD, as applicable.
(1) Revise your existing airplane maintenance manual (AMM) by
replacing the procedures listed in paragraphs (g)(1)(i) through (vi)
of this AD, as applicable for your model airplane.
(i) GVII-G500 Maintenance Manual 12-13-01 Defueling Procedure-
Defuel, dated August 31, 2020; or 12-13-01 Defueling Procedure-
Defuel, 12-13 Fueling and Defueling Operations Replenishing, Chapter
12--Servicing, Gulfstream Aerospace GVII-G500 Aircraft Maintenance
Manual, Document Number GAC-AC-GVII-G500-AMM-0001, Revision 16,
dated November 30, 2023.
(ii) GVII-G500 Maintenance Manual 28-26-04 Fuel Boost Pump-
Prime, dated August 31, 2020; or 28-26-04 Fuel Boost Pump-Prime, 28-
26 Engine and APU Fuel Delivery, Chapter 28--Fuel, Gulfstream
Aerospace GVII-G500 Aircraft Maintenance Manual, Document Number
GAC-AC-GVII-G500-AMM-0001, Revision 16, dated November 30, 2023.
(iii) GVII-G600 Maintenance Manual 12-13-01 Defueling Procedure-
Defuel, dated August 31, 2020; or 12-13-01 Defueling Procedure-
Defuel, 12-13 Fueling and Defueling Operations Replenishing, Chapter
12--Servicing, Gulfstream Aerospace GVII-G600 Aircraft Maintenance
Manual, Document Number GAC-AC-GVII-G600-AMM-0001, Revision 12,
dated November 30, 2023.
(iv) GVII-G600 Maintenance Manual 28-26-04 Fuel Boost Pump-
Prime, dated August 31, 2020.
(v) GVII-G600 Maintenance Manual 28-26-04 Fuel Boost Pump-
Removal/Installation, dated August 31, 2020; or 28-26-04 Fuel Boost
Pump-Removal/Installation, 28-26 Engine and APU Fuel Delivery,
Chapter 28--Fuel, Gulfstream Aerospace GVII-G600 Aircraft
Maintenance Manual, Document Number GAC-AC-GVII-G600-AMM-0001,
Revision 12, dated November 30, 2023.
(vi) GVII-G600 Maintenance Manual 28-26-05 Fuel Boost Pump
Canister-Removal/Installation, dated August 31, 2020.
(2) Revise your existing airplane flight manual (AFM) by
including in the AFM the airplane flight manual supplement (AFMS)
listed in paragraph (g)(2)(i), (ii), or (iii) of this AD that is
applicable to your model airplane. Using a later AFM revision with
information identical to that contained in the AFMS specified for
your airplane is acceptable for compliance with the requirement of
this paragraph.
(i) Gulfstream Aerospace GVII-G500 Airplane Flight Manual
Supplement No. GVII-G500 (Issue 1)--2020-05, dated September 8,
2020; or
(ii) Gulfstream Aerospace GVII-G500 Airplane Flight Manual
Supplement No. GVII-G500-2020-06, dated September 8, 2020; or
(iii) Gulfstream Aerospace GVII-G600 Airplane Flight Manual
Supplement No. GVII-G600-2020-06, dated September 8, 2020.
(3) The action required by paragraph (g)(2) of this AD may be
performed by the owner/operator (pilot) holding at least a private
pilot certificate and must be entered into the aircraft records
showing compliance with this AD in accordance with 14 CFR 43.9(a)(1)
through (4), and 14 CFR 91.417(a)(2)(v). The record must be
maintained as required by 14 CFR 91.417, 121.380, or 135.439.
(h) New Requirements
For Model GVII-G500 airplane S/Ns 72001 and 72007 through 72062
inclusive; and Model GVII-G600 airplane S/Ns 73002, 73004, 73006
through 73040 inclusive, 73042, and 73043: Except as specified in
paragraph (i) of this AD, within 24 months after the effective date
of this AD, do all actions specified in paragraph III.D. and all
applicable actions identified as ``RC'' (required for compliance)
in, and in accordance with, the Accomplishment Instructions of
Gulfstream GVII-G500 Customer Bulletin No. 069 or Gulfstream GVII-
G600 Customer Bulletin No. 037, both Revision A, both dated February
2, 2023, as applicable.
Note 1 to paragraph (h): The serial number on the aft exterior
of the pump is not the pump serial number.
Note 2 to paragraph (h): Guidance on pump removal and
installation procedures can be found in Gulfstream Aerospace GVII-
G500 Aircraft Maintenance Manual, Document Number GAC-AC-GVII-G500-
AMM-0001, Revision 12, dated June 15, 2022; and Gulfstream Aerospace
GVII-G600 Aircraft Maintenance Manual, Document Number GAC-AC-GVII-
G600-AMM-0001, Revision 8, dated June 15, 2022.
(i) Service Information Exception
Where Gulfstream GVII-G500 Customer Bulletin No. 069 and
Gulfstream GVII-G600 Customer Bulletin No. 037, both Revision A,
both dated February 2, 2023, specify to return any pump for repair,
this AD requires replacing the pump in accordance with the
applicable service information identified in paragraph (h) of this
AD.
(j) Terminating Action for Paragraph (g) of This AD
The requirements of paragraph (g) of this AD are terminated if
all applicable actions required by paragraph (h) of this AD have
been accomplished.
(k) Parts Installation Limitation
As of the effective date of the AD, no person may install on any
airplane a fuel boost pump having a part and serial number specified
in Table 1 of Gulfstream GVII-G500 Customer Bulletin No. 069 or
Gulfstream GVII-G600 Customer Bulletin No. 037, both Revision A,
both dated February 2, 2023, as applicable, unless that pump is
marked with the letter ``C'' to the right of the ``INSP'' legend on
the pump data area.
(l) Credit for Previous Actions
This paragraph provides credit for the actions specified in
paragraph (h) of this AD, if those actions were performed before the
effective date of this AD using the service information identified
in paragraphs (l)(1) and (2) of this AD, as applicable. This service
information is not incorporated by reference in this AD.
(1) Gulfstream GVII-G500 Customer Bulletin No. 069, dated
October 19, 2022.
(2) Gulfstream GVII-G600 Customer Bulletin No. 037, dated
October 19, 2022.
(m) Alternative Methods of Compliance (AMOCs)
(1) The Manager, East Certification Branch, FAA, has the
authority to approve AMOCs for this AD, if requested using the
procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19,
send your request to your principal inspector or responsible Flight
Standards Office, as appropriate. If sending information directly to
the manager of the certification office, send it to the attention of
the person identified in paragraph (n)(1) of this AD.
(2) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the responsible Flight Standards Office.
(3) AMOCs approved for AD 2020-23-04 are approved as AMOCs for
the corresponding provisions of this AD.
(4) For service information that contains steps that are labeled
as Required for Compliance (RC), the provisions of paragraphs
(m)(4)(i) and (ii) of this AD apply.
(i) The steps labeled as RC, including substeps under an RC step
and any figures identified in an RC step, must be done to comply
with the AD. An AMOC is required for any deviations to RC steps,
including substeps and identified figures.
(ii) Steps not labeled as RC may be deviated from using accepted
methods in accordance with the operator's maintenance or inspection
program without obtaining approval of an AMOC, provided the RC
steps, including substeps and identified figures, can
[[Page 21436]]
still be done as specified, and the airplane can be put back in an
airworthy condition.
(n) Related Information
(1) For more information about this AD, contact Jared Meyer,
Aviation Safety Engineer, FAA, 1701 Columbia Avenue, College Park,
GA 30337; phone: 404-474-5534; email: [email protected].
(2) Service information identified in this AD that is not
incorporated by reference is available at the address specified in
paragraph (o)(5) of this AD.
(o) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference (IBR) of the service information listed
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this service information as applicable to do
the actions required by this AD, unless this AD specifies otherwise.
(3) The following service information was approved for IBR on
May 2, 2024.
(i) Gulfstream GVII-G500 Customer Bulletin No. 069, Revision A,
dated February 2, 2023.
(ii) Gulfstream GVII-G600 Customer Bulletin No. 037, Revision A,
dated February 2, 2023.
(iii) 12-13-01 Defueling Procedure-Defuel, 12-13 Fueling and
Defueling Operations Replenishing, Chapter 12--Servicing, Gulfstream
Aerospace GVII-G500 Aircraft Maintenance Manual, Document Number
GAC-AC-GVII-G500-AMM-0001, Revision 16, dated November 30, 2023.
Note 3 to paragraph (o)(3)(iii): The manufacturer name is
located only on the title page of the documents identified in
paragraphs (o)(3)(iii) and (iv) of this AD.
(iv) 12-13-01 Defueling Procedure-Defuel, 12-13 Fueling and
Defueling Operations Replenishing, Chapter 12--Servicing, Gulfstream
Aerospace GVII-G600 Aircraft Maintenance Manual, Document Number
GAC-AC-GVII-G600-AMM-0001, Revision 12, dated November 30, 2023.
(v) 28-26-04 Fuel Boost Pump-Prime, 28-26 Engine and APU Fuel
Delivery, Chapter 28--Fuel, Gulfstream Aerospace GVII-G500 Aircraft
Maintenance Manual, Document Number GAC-AC-GVII-G500-AMM-0001,
Revision 16, dated November 30, 2023.
Note 4 to paragraph (o)(3)(v): The manufacturer name is located
only on the title page of the documents identified in paragraphs
(o)(3)(v) and (vi) of this AD.
(vi) 28-26-04 Fuel Boost Pump-Removal/Installation, 28-26 Engine
and APU Fuel Delivery, Chapter 28--Fuel, Gulfstream Aerospace GVII-
G600 Aircraft Maintenance Manual, Document Number GAC-AC-GVII-G600-
AMM-0001, Revision 12, dated November 30, 2023.
(4) The following service information was approved for IBR on
November 24, 2020 (85 FR 71232, November 9, 2020).
(i) Gulfstream Aerospace GVII-G500 Airplane Flight Manual
Supplement No. GVII-G500 (Issue 1)--2020-05, dated September 8,
2020.
(ii) Gulfstream Aerospace GVII-G500 Airplane Flight Manual
Supplement No. GVII-G500-2020-06, dated September 8, 2020.
(iii) Gulfstream Aerospace GVII-G600 Airplane Flight Manual
Supplement No. GVII-G600-2020-06 dated September 8, 2020.
(iv) GVII-G500 Maintenance Manual 12-13-01 Defueling Procedure-
Defuel, dated August 31, 2020.
Note 5 to paragraph (o)(4)(iv): Although the documents in
paragraphs (o)(4)(iv) through (ix) have the watermarked words
``advance copy'' on each page of the document, these are not advance
draft copies but final versions of temporary revisions to the AMM,
pending incorporation into the AMM at the next revision.
(v) GVII-G500 Maintenance Manual 28-26-04 Fuel Boost Pump-Prime,
dated August 31, 2020.
(vi) GVII-G600 Maintenance Manual 12-13-01 Defueling Procedure-
Defuel, dated August 31, 2020.
(vii) GVII-G600 Maintenance Manual 28-26-04 Fuel Boost Pump-
Prime, dated August 31, 2020.
(viii) GVII-G600 Maintenance Manual 28-26-04 Fuel Boost Pump-
Removal/Installation, dated August 31, 2020.
(ix) GVII-G600 Maintenance Manual 28-26-05 Fuel Boost Pump
Canister-Removal/Installation, dated August 31, 2020.
(5) For service information identified in this AD, contact
Gulfstream Aerospace Corporation, Technical Publications Dept., P.O.
Box 2206, Savannah, GA 31402-2206; telephone 800-810-4853; email
[email protected]; website gulfstream.com/en/customer-support.
(6) You may view this service information at the FAA,
Airworthiness Products Section, Operational Safety Branch, 2200
South 216th St., Des Moines, WA. For information on the availability
of this material at the FAA, call 206-231-3195.
(7) You may view this material at the National Archives and
Records Administration (NARA). For information on the availability
of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email [email protected].
Issued on March 21, 2024.
Victor Wicklund,
Deputy Director, Compliance & Airworthiness Division, Aircraft
Certification Service.
[FR Doc. 2024-06478 Filed 3-27-24; 8:45 am]
BILLING CODE 4910-13-P