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2020-15-02 GULFSTREAM AEROSPACE LP:
Amendment 39-21165; Docket No. FAA-2020-0334; Product Identifier 2020-NM-014-AD.

(a) EFFECTIVE DATE

    This AD is effective August 27, 2020.

(b) AFFECTED ADS

    None.

(c) APPLICABILITY

    This AD applies  to  certain  Gulfstream Aerospace LP Model Gulfstream
    G280 airplanes,  certificated in any category,  as identified in Civil
    Aviation Authority of Israel (CAAI) AD ISR-I-53-19-10-5, dated October
    10, 2019 ("Israeli AD ISR-I-53-19-10-5").

(d) SUBJECT

    Air Transport Association (ATA) of America Code 53, Fuselage.

(e) REASON

    This AD was prompted by  a report of inadequate clearance  between the
    fuel probes and forward fuel  tank structure. The FAA is  issuing this
    AD  to address  such inadequate  clearance,  which  could result  in a
    potential  source  of ignition  in  a fuel  tank,  possible fire,  and
    consequent reduced structural integrity of the airplane.

(f) COMPLIANCE

    Comply with this AD within the compliance times specified,  unless al-
    ready done.

(g) REQUIREMENTS

    Except as specified in paragraph (h) of this AD:  Comply with  all re-
    quired actions and compliance times specified in,  and  in  accordance
    with, Israeli AD ISR-I-53-19-10-5.

(h) EXCEPTIONS AND CLARIFICATIONS TO ISRAELI AD ISR-I-53-19-10-5

(1) Where Israeli AD ISR-I-53-19-10-5  refers to its effective date,  this
    AD requires using the effective date of this AD.

(2) Where Israeli AD ISR-I-53-19-10-5 requires  operators  to "check . . .
    clearance between  fuel probes and forward fuel tank structure,"  this
    AD requires measuring  the specified probes' distance  to the adjacent
    skin.

(3) Where  Israeli  AD  ISR-I-53-19-10-5  requires  operators  to  "adjust
    clearance" for the corrective action,  this AD requires reinstallation
    of the probe at the correct distance.

(4) Israeli AD ISR-I-53-19-10-5  requires compliance "at the next suitable
    planned maintenance inspection within the next 36 months." This AD re-
    quires compliance within 36 months  after  the  effective date of this
    AD.

(5) The rework (reinstallation of the fuel probes at the correct distance)
    required for inadequate clearance must be done  before  further flight
    after the measurement.

(i) OTHER FAA AD PROVISIONS

    The following provisions also apply to this AD:

(1) Alternative Methods of Compliance (AMOCs): The Manager, Large Aircraft
    Section, International  Validation 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 local Flight Standards District Office, as
    appropriate.  If  sending information  directly  to the  International
    Section,  send  it  to  the  attention  of  the  person  identified in
    paragraph (j)  of this  AD. Information  may be  emailed to: 9-ANM-116
    -AMOC-REQUESTS@faa.gov. Before  using any  approved AMOC,  notify your
    appropriate principal inspector, or lacking a principal inspector, the
    manager  of  the local  flight  standards district  office/certificate
    holding district office.

(2) Contacting the Manufacturer:  For any requirement in this AD to obtain
    instructions   from   a  manufacturer,   the   instructions  must   be
    accomplished using a  method approved by  the Manager, Large  Aircraft
    Section, International Validation Branch, FAA; or the CAAI; or  CAAI's
    authorized Designee. If  approved by the  CAAI Designee, the  approval
    must include the Designee's authorized signature.

(j) RELATED INFORMATION

    For more information about this AD,  contact Tom Rodriguez,  Aerospace
    Engineer, Large Aircraft Section, International Validation Branch, FAA
    2200 South 216th St., Des Moines, WA 98198; telephone and fax 206-231-
    3226; email tom.rodriguez@faa.gov.

(k) 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.

(i) The  Civil Aviation Authority  of Israel  (CAAI)  AD ISR-I-53-19-10-5,
    dated October 10, 2019.

(ii) [Reserved]

(3) For information  about Israeli AD ISR-I-53-19-10-5,  contact the CAAI,
    P.O. Box 1101,  Golan Street, Airport City,  70100, Israel;  telephone
    972-3-9774665;  fax 972-3-9774592;  email aip@mot.gov.il. You may find
    this IBR material on the CAAI website at www.caa.gov.il.

(4) You may view this material 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.  This material may be found in the AD docket on the internet
    at https://www.regulations.gov  by searching for  and  locating Docket
    No. FAA-2020-0334.

(5) You may view this material that is incorporated  by reference  at  the
    National Archives and Records Administration (NARA).  For  information
    on the availability of this material at NARA, email fedreg.legal@nara.
    gov,   or  go  to:  https://www.archives.gov/federal-register/cfr/ibr-
    locations.html.

Issued on July 7, 2020. Lance T Gant, Director, Compliance & Airworthiness
Division, Aircraft Certification Service.

FOR FURTHER INFORMATION CONTACT: Tom Rodriguez,  Aerospace Engineer, Large
Aircraft Section, International Validation Branch,  FAA,  2200 South 216th
St., Des Moines, WA 98198;  telephone  and  fax 206-231-3226;  email  tom.
rodriguez@faa.gov.
PREAMBLE 

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2020-0334; Product Identifier 2020-NM-014-AD; Amendment
39-21165; AD 2020-15-02]
RIN 2120-AA64

Airworthiness Directives
; Gulfstream Aerospace LP Airplanes

AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for
certain Gulfstream Aerospace LP Model Gulfstream G280 airplanes. This
AD was prompted by a report of inadequate clearance between the fuel
probes and forward fuel tank structure. This AD requires measuring the
clearance between certain fuel probes and the forward fuel tank
structure, and reinstalling the probes if necessary, as specified in a
Civil Aviation Authority of Israel (CAAI) AD, which is incorporated by
reference. The FAA is issuing this AD to address the unsafe condition
on these products.

DATES: This AD is effective August 27, 2020.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of August 27,
2020.

ADDRESSES: For the material incorporated by reference (IBR) in this AD,
contact the CAAI, P.O. Box 1101, Golan Street, Airport City, 70100,
Israel; telephone 972-3-9774665; fax 972-3-9774592; email
aip@mot.gov.il. You may find this IBR material on the CAA website at
www.caa.gov.il. You may view this IBR material 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 in the AD
docket on the internet at https://www.regulations.gov by searching for
and locating Docket No. FAA-2020-0334.

Examining the AD Docket

You may examine the AD docket on the internet at https://www.regulations.
gov by searching for and locating Docket No. FAA-2020-
0334; 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.

FOR FURTHER INFORMATION CONTACT: Tom Rodriguez, Aerospace Engineer,
Large Aircraft Section, International Validation Branch, FAA, 2200
South 216th St., Des Moines, WA 98198; telephone and fax 206-231-3226;
email tom.rodriguez@faa.gov.

SUPPLEMENTARY INFORMATION:

Discussion

The CAAI, which is the aviation authority for Israel, has issued
Israeli AD ISR-I-53-19-10-5, dated October 10, 2019 (``Israeli AD ISR-
I-53-19-10-5'') (also referred to as the Mandatory Continuing
Airworthiness Information, or ``the MCAI''), to correct an unsafe
condition for certain Gulfstream Aerospace LP Model Gulfstream G280
airplanes.
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 by adding an AD that would apply to certain Gulfstream
Aerospace LP Model Gulfstream G280 airplanes. The NPRM published in the
Federal Register on April 27, 2020 (85 FR 23259). The NPRM was prompted
by a report of inadequate clearance between the fuel probes and forward
fuel tank structure. The NPRM proposed to require measuring the
clearance between certain fuel probes and the forward fuel tank
structure, and reinstalling the probes if necessary, as specified in a
CAAI AD.
The FAA is issuing this AD to address inadequate clearance between
the fuel probes and forward fuel tank structure, which could result in
a potential source of ignition in a fuel tank, possible fire, and
consequent reduced structural integrity of the airplane. See the MCAI
for additional background information.

Comments

The FAA gave the public the opportunity to participate in
developing this final rule. The FAA received no comments on the NPRM or
on the determination of the cost to the public.

Conclusion

The FAA reviewed the relevant data and determined that air safety
and the public interest require adopting this final rule as proposed,
except for minor editorial changes. The FAA has determined that these
minor changes:
Are consistent with the intent that was proposed in the
NPRM for addressing the unsafe condition; and
Do not add any additional burden upon the public than was
already proposed in the NPRM.

Related IBR Material Under 1 CFR Part 51

Israeli AD ISR-I-53-19-10-5 describes procedures for checking the
clearance between forward fuel probe No. 1 and aft fuel probe No. 3 and
the forward fuel tank structure, by measuring each fuel probe's
distance to the adjacent skin, and adjusting the clearance, including
reinstallation of the fuel probes at the correct distance if necessary.
This material is reasonably available because the interested parties
have access to it through their normal course of business or by the
means identified in the ADDRESSES section.

Costs of Compliance

The FAA estimates that this AD affects 80 airplanes of U.S.
registry. The FAA estimates the following costs to comply with this AD:

Estimated Costs for Required Actions

Labor cost Parts cost Cost per product Cost on U.S. operators
Up to 20 work-hours x $85 per hour = to $1,700 Up $0 Up to $1,700 Up to $136,000

According to the manufacturer, some or all of the costs of this AD
may be covered under warranty, thereby reducing the cost impact on
affected individuals. The FAA does not control warranty coverage for
affected individuals. As a result, the FAA has included all known costs
in the cost estimate.

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.

Adoption of 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

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]

2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive (AD):