81_FR_83887 81 FR 83662 - Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes

81 FR 83662 - Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 81, Issue 225 (November 22, 2016)

Page Range83662-83665
FR Document2016-25743

We are adopting a new airworthiness directive (AD) for certain Gulfstream Aerospace Corporation Model GV and GV-SP airplanes. This AD was prompted by a new revision to the Airworthiness Limitations Section (ALS) of the Aircraft Maintenance Manual (AMM) based on fatigue and damage tolerance testing, and updated analysis. This AD requires revising the maintenance or inspection program to incorporate updated inspection requirements and life limits that address fatigue cracking of principal structural elements (PSEs). We are issuing this AD to ensure that fatigue cracking of PSEs is detected and corrected; such fatigue cracking could result in reduced structural integrity of the PSEs and critical components.

Federal Register, Volume 81 Issue 225 (Tuesday, November 22, 2016)
[Federal Register Volume 81, Number 225 (Tuesday, November 22, 2016)]
[Rules and Regulations]
[Pages 83662-83665]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2016-25743]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2016-4223; Directorate Identifier 2015-NM-108-AD; 
Amendment 39-18693; AD 2016-22-04]
RIN 2120-AA64


Airworthiness Directives; Gulfstream Aerospace Corporation 
Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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

SUMMARY: We are adopting a new airworthiness directive (AD) for certain

[[Page 83663]]

Gulfstream Aerospace Corporation Model GV and GV-SP airplanes. This AD 
was prompted by a new revision to the Airworthiness Limitations Section 
(ALS) of the Aircraft Maintenance Manual (AMM) based on fatigue and 
damage tolerance testing, and updated analysis. This AD requires 
revising the maintenance or inspection program to incorporate updated 
inspection requirements and life limits that address fatigue cracking 
of principal structural elements (PSEs). We are issuing this AD to 
ensure that fatigue cracking of PSEs is detected and corrected; such 
fatigue cracking could result in reduced structural integrity of the 
PSEs and critical components.

DATES: This AD is effective December 27, 2016.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of December 27, 
2016.

ADDRESSES: 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; fax: 
912-965-3520; email: [email protected]; Internet: http://www.gulfstream.com/product_support/technical_pubs/pubs/index.htm. You 
may view this referenced service information at the FAA, Transport 
Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For information 
on the availability of this material at the FAA, call 425-227-1221. It 
is also available on the Internet at http://www.regulations.gov by 
searching for and locating Docket No. FAA-2016-4223.

Examining the AD Docket

    You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016-
4223; or in person at the Docket Management Facility between 9 a.m. and 
5 p.m., Monday through Friday, except Federal holidays. The AD docket 
contains this AD, the regulatory evaluation, any comments received, and 
other information. The address for the Docket Office (phone: 800-647-
5527) is Docket Management Facility, 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: Ronald Wissing, Aerospace Engineer, 
Airframe Branch, ACE-117A, FAA, Atlanta Aircraft Certification Office 
(ACO), 1701 Columbia Avenue, College Park, GA 30337; phone: 404-474-
5552; fax: 404-474-5606; email: [email protected].

SUPPLEMENTARY INFORMATION:

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 by adding an AD that would apply to certain Gulfstream 
Aerospace Corporation Model GV and GV-SP airplanes. The NPRM published 
in the Federal Register on March 14, 2016 (81 FR 13301) (``the NPRM''). 
The NPRM was prompted by a new revision to the ALS of the AMM, Chapter 
05-10-10, based on fatigue and damage tolerance testing, and updated 
analysis. The NPRM proposed to require revising the maintenance or 
inspection program to update inspection requirements and life limits 
that address fatigue cracking of principal structural elements (PSEs). 
We are issuing this AD to ensure that fatigue cracking of PSEs is 
detected and corrected; such fatigue cracking could result in reduced 
structural integrity of the PSEs and critical components.

Comments

    We gave the public the opportunity to participate in developing 
this AD. The following presents the comments received on the NPRM and 
the FAA's response to each comment.

Request To Specify Referenced Document

    Gulfstream requested that we revise the SUMMARY section and the 
Discussion section of the NPRM, and paragraph (e) of the proposed AD, 
to refer to the AMM, Chapter 05-10-10, which contains updated 
inspection requirements and life limits.
    We agree with the request. We have revised the SUMMARY and 
Discussion sections of this final rule, and paragraph (e) of this AD 
accordingly.

Request To Remove Certain Language From the NPRM

    Gulfstream requested that we revise the FAA's Determination section 
of the NPRM, which states that the unsafe condition is likely to exist 
or develop ``in other products of the same type design.'' Gulfstream 
requested that we remove the quoted language, and pointed out that they 
believe the statement is irrelevant to the unsafe condition.
    We disagree with the commenter's request. Our phrasing is 
intentional. The finding that the condition is likely to exist or 
develop in other products of the same type design is necessary to 
ensure that the AD falls within the scope of 14 CFR part 39 
(``Airworthiness Directives''.) (Specifically, see 14 CFR 39.5.) 
Additionally, the FAA's Determination section of the NPRM is not 
restated in this final rule. We have not changed this AD regarding this 
issue.

Request for Clarification of Certain Language From the NPRM

    Gulfstream requested clarification regarding which ``operator 
maintenance documents'' require revision. Gulfstream did not provide 
any justification for its request.
    We agree that clarification is necessary. Regardless of the 
maintenance program that an operator uses, this AD requires revising 
the applicable maintenance or inspection program documentation. The 
owner or operator is responsible for maintaining its fleet in an 
airworthy condition, including compliance with 14 CFR part 39. This 
final rule has not been changed in this regard.

Request To Clarify Applicability

    Gulfstream requested that we revise the ``Differences Between This 
Proposed AD and the Service Information'' section of the NPRM. 
Gulfstream pointed out that they believe the applicability is 
contradictory to Gulfstream Document GV-GER-9973, Summary of Changes to 
the GV Series Airworthiness Limitations, Revision C, dated January 8, 
2015. Gulfstream also mentioned that it does not believe an operator 
would be able to log compliance with the proposed AD.
    We agree to clarify. The applicability of this AD differs from the 
effectivity of Gulfstream Document GV-GER-9973, Summary of Changes to 
the GV Series Airworthiness Limitations, Revision C, dated January 8, 
2015, which excludes airplanes on which certain supplemental type 
certificates (STCs) have been accomplished. Airplanes on which those 
STCs have been accomplished are included in the applicability of this 
AD because those airplanes could have inspections and limits that are 
applicable. If it is determined that an airplane with a listed STC 
cannot accomplish the requirements of this AD, the operator may request 
an alternative method of compliance (AMOC) in accordance with paragraph 
(i) of this AD.
    Also, we do not agree with the statement in Gulfstream Document GV-
GER-9973, Summary of Changes to the GV Series Airworthiness 
Limitations, Revision C, dated January 8, 2015, indicating that 
airplanes with specific STCs installed should be excluded from the 
effectivity of Gulfstream Document GV-GER-9973, Summary of Changes to

[[Page 83664]]

the GV Series Airworthiness Limitations, Revision C, dated January 8, 
2015. We have not changed this AD in this regard.

Request To Allow the Use of Later-Approved Service Information

    Gulfstream requested that we revise Note 1 to paragraph (g) of the 
proposed AD. Gulfstream specifically requested adding language that 
would specify ``or later FAA approved revision'' to clarify operator 
compliance with the proposed AD.
    We do not agree to revise Note 1 to paragraph (g) of this AD to 
allow use of ``later FAA-approved revisions.'' Note 1 to paragraph (g) 
of this AD specifies the AMM revisions specifically identified in 
Gulfstream Document GV-GER-9973, Summary of Changes to the GV Series 
Airworthiness Limitations, Revision C, dated January 8, 2015. This AD 
does not require any actions to be done in accordance with the AMM 
revisions specified in Note 1 to paragraph (g) of this AD. 
Additionally, we may not refer to any document that does not yet exist. 
However, we have revised Note 1 to paragraph (g) of this AD to clarify 
the intent of that note.

Request To Verify the Contact Information for Gulfstream

    Gulfstream requested that we verify the contact information used in 
the ADDRESSES section and paragraph (k)(3) of this AD before 
publication. Gulfstream stated that its contact information and data 
storage location may change before the publication date of the final 
rule.
    We have verified the contact information used in the ADDRESSES 
section of this final rule, and found that no change is necessary.

Conclusion

    We reviewed the relevant data, considered the comments received, 
and determined that air safety and the public interest require adopting 
this AD with the changes described previously and minor editorial 
changes. We have determined that these minor changes:
     Are consistent with the intent that was proposed in the 
NPRM for correcting the unsafe condition; and
     Do not add any additional burden upon the public than was 
already proposed in the NPRM.
    We also determined that these changes will not increase the 
economic burden on any operator or increase the scope of this AD.

Related Service Information Under 1 CFR part 51

    We reviewed Gulfstream Document GV-GER-9973, Summary of Changes to 
the GV Series Airworthiness Limitations, Revision C, dated January 8, 
2015. The service information describes inspection requirements and 
life limits that address fatigue cracking of the PSEs. 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 the ADDRESSES section.

Costs of Compliance

    We estimate that this AD affects 392 airplanes of U.S. registry.
    We estimate the following costs to comply with this AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                     Cost per      Cost on U.S.
                Action                         Labor cost           Parts cost        product        operators
----------------------------------------------------------------------------------------------------------------
Revision of the maintenance or          1 work-hour x $85 per                 $0             $85         $33,320
 inspection program.                     hour = $85.
----------------------------------------------------------------------------------------------------------------

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.
    We are 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) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) 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

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 adding the following new airworthiness 
directive (AD):

2016-22-04 Gulfstream Aerospace Corporation: Amendment 39-18693; 
Docket No. FAA-2016-4223; Directorate Identifier 2015-NM-108-AD.

(a) Effective Date

    This AD is effective December 27, 2016.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Gulfstream Aerospace Corporation Model GV 
airplanes, certificated in any category, serial numbers 501 through 
693 inclusive and serial number 699; and Model GV-SP airplanes, 
certificated in any category, serial numbers 5001 through 5433 
inclusive.

[[Page 83665]]

(d) Subject

    Air Transport Association (ATA) of America Code 32, Landing 
Gear; 53, Fuselage; 54, Nacelles/Pylons; 55, Stabilizers; and 57, 
Wings.

(e) Unsafe Condition

    This AD was prompted by a new revision to the Airworthiness 
Limitations Section (ALS) of the Aircraft Maintenance Manual (AMM), 
Chapter 05-10-10, based on fatigue and damage tolerance testing, and 
updated analysis. We are issuing this AD to ensure fatigue cracking 
of principal structural elements (PSEs) is detected and corrected; 
such fatigue cracking could result in reduced structural integrity 
of the PSEs and critical components.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Revise Maintenance or Inspection Program

    Within 12 months after the effective date of this AD, revise the 
maintenance or inspection program, as applicable, to incorporate the 
airworthiness limitations specified in Gulfstream Document GV-GER-
9973, Summary of Changes to the GV Series Airworthiness Limitations, 
Revision C, dated January 8, 2015. The initial compliance times for 
the tasks identified in Gulfstream Document GV-GER-9973, Summary of 
Changes to the GV Series Airworthiness Limitations, Revision C, 
dated January 8, 2015, are at the applicable times specified in 
Gulfstream Document GV-GER-9973, Summary of Changes to the GV Series 
Airworthiness Limitations, Revision C, dated January 8, 2015, or 
within twelve months after the effective date of this AD, whichever 
occurs later.
    Note 1 to paragraph (g) of this AD: Gulfstream Document GV-GER-
9973, Summary of Changes to the GV Series Airworthiness Limitations, 
Revision C, dated January 8, 2015, specifies the following AMM 
revisions as additional sources of guidance for the actions required 
by paragraph (g) of this AD. For Model GV airplanes, AMM Revision 
43, dated February 15, 2015; and for Model GV-SP airplanes, G500 or 
G550 AMM Revision 24, dated February 15, 2015, as applicable.

(h) No Alternative Actions or Intervals

    After the maintenance or inspection program has been revised as 
required by paragraph (g) of this AD, no alternative actions (e.g., 
inspections) or intervals may be used unless the actions or 
intervals are approved as an alternative method of compliance (AMOC) 
in accordance with the procedures specified in paragraph (i) of this 
AD.

(i) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Atlanta Aircraft Certification Office (ACO), 
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 manager of the ACO, send it to the 
attention of the person identified in paragraph (j) of this AD.
    (2) 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.

(j) Related Information

    For more information about this AD, contact Ronald Wissing, 
Aerospace Engineer, Airframe Branch, ACE-117A, FAA, Atlanta ACO, 
1701 Columbia Avenue, College Park, GA 30337; phone: 404-474-5552; 
fax: 404-474-5606; email: [email protected].

(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 the AD specifies otherwise.
    (i) Gulfstream Document GV-GER-9973, Summary of Changes to the 
GV Series Airworthiness Limitations, Revision C, dated January 8, 
2015. The revision level and date of this document are not specified 
on the title page of the document.
    (ii) Reserved.
    (3) For Gulfstream Aerospace Corporation 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; fax: 912-965-3520; email: 
[email protected]; Internet: http://www.gulfstream.com/product_support/technical_pubs/pubs/index.htm.
    (4) You may view this service information at FAA, Transport 
Airplane Directorate, 1601 Lind Avenue SW., Renton, WA 98057-3356. 
For information on the availability of this material at the FAA, 
call 425-227-1221.
    (5) You may view this service information that is incorporated 
by reference at the National Archives and Records Administration 
(NARA). For information on the availability of this material at 
NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued in Renton, Washington, on October 14, 2016.
Michael Kaszycki,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2016-25743 Filed 11-21-16; 8:45 am]
BILLING CODE 4910-13-P



                                              83662            Federal Register / Vol. 81, No. 225 / Tuesday, November 22, 2016 / Rules and Regulations

                                              under the criteria of the Regulatory                    blade skin for a crack and any corrosion. Pay         (f) Special Flight Permits
                                              Flexibility Act.                                        particular attention for any cracking in a               Special flight permits are prohibited.
                                                We prepared an economic evaluation                    doubler or skin near or at the same blade
                                                                                                      station as the blade retention bolt hole (blade       (g) Alternative Methods of Compliance
                                              of the estimated costs to comply with                                                                         (AMOCs)
                                                                                                      station 28).
                                              this AD and placed it in the AD docket.                    (iii) Visually inspect the exposed areas of           (1) The Manager, Rotorcraft Certification
                                              List of Subjects in 14 CFR Part 39                      each bond line at the edges of the lower grip         Office, FAA, may approve AMOCs for this
                                                                                                      pad, upper and lower grip plates, and each            AD. Send your proposal to: Charles Harrison,
                                                Air transportation, Aircraft, Aviation                layered doubler (bond lines) on the upper             Project Manager, Fort Worth Aircraft
                                              safety, Incorporation by reference,                     and lower surfaces of each M/R blade for the          Certification Office, 10101 Hillwood Pkwy.,
                                              Safety.                                                 entire length and chord width for an edge             Fort Worth, Texas 76177; telephone 817–
                                                                                                      void, any corrosion, loose or damaged                 222–5140; email 9-ASW-FTW-AMOC-
                                              Adoption of the Amendment                               adhesive squeeze-out, and an edge                     Requests@faa.gov.
                                                Accordingly, under the authority                      delamination. Pay particular attention to any            (2) For operations conducted under a 14
                                              delegated to me by the Administrator,                   crack in the paint finish that follows the            CFR part 119 operating certificate or under
                                              the FAA amends 14 CFR part 39 as                        outline of a grip pad, grip plate, or doubler,        14 CFR part 91, subpart K, we suggest that
                                                                                                      and to any loose or damaged adhesive                  you notify your principal inspector, or
                                              follows:
                                                                                                      squeeze-out, as these may be the indication           lacking a principal inspector, the manager of
                                                                                                      of an edge void.                                      the local flight standards district office or
                                              PART 39—AIRWORTHINESS
                                                                                                         (2) If there is a crack, any corrosion, an         certificate holding district office before
                                              DIRECTIVES                                              edge void, loose or damaged adhesive                  operating any aircraft complying with this
                                                                                                      squeeze-out, or an edge delamination during           AD through an AMOC.
                                              ■ 1. The authority citation for part 39                 any inspection in paragraph (e)(1) of this AD,
                                              continues to read as follows:                           before further flight, do the following:              (h) Additional Information
                                                  Authority: 49 U.S.C. 106(g), 40113, 44701.             (i) If there is a crack in a grip pad or any         Bell Helicopter Alert Service Bulletin
                                                                                                      grip plate or doubler, replace the M/R blade          (ASB) No. UH–1H–13–09, dated January 14,
                                              § 39.13   [Amended]                                     with an airworthy M/R blade.                          2013, and Bell Helicopter Textron ASB No.
                                              ■ 2. The FAA amends § 39.13 by adding                      (ii) If there is a crack in the M/R blade skin     204–75–1 and ASB 205–75–5, both Revision
                                              the following new airworthiness                         that is within maximum repair damage                  C and both dated April 25, 1979, which are
                                                                                                      limits, repair the M/R blade. If the crack            not incorporated by reference, contain
                                              directive (AD):                                         exceeds maximum repair damage limits,                 additional information about the subject of
                                              2016–23–09 Various Restricted Category                  replace the M/R blade with an airworthy M/            this final rule. For service information
                                                  Helicopters: Amendment 39–18716;                    R blade.                                              identified in this final rule, contact Bell
                                                  Docket No. FAA–2015–3820; Directorate                  (iii) If there is any corrosion within             Helicopter Textron, Inc., P.O. Box 482, Fort
                                                  Identifier 2014–SW–024–AD.                          maximum repair damage limits, repair the M/           Worth, TX 76101; telephone (817) 280–3391;
                                              (a) Applicability                                       R blade. If the corrosion exceeds maximum             fax (817) 280–6466; or at http://
                                                                                                      repair damage limits, replace the M/R blade           www.bellcustomer.com/files/. You may
                                                This AD applies to Model TH–1F, UH–1B,                with an airworthy M/R blade.                          review a copy of this service information at
                                              UH–1F, UH–1H, and UH–1P helicopters with                   (iv) If there is an edge void in the grip pad      the FAA, Office of the Regional Counsel,
                                              a main rotor (M/R) blade, part number 204–              or in a grip plate or doubler, determine the          Southwest Region, 10101 Hillwood Pkwy.,
                                              011–250–005 or 204–011–250–113, installed.              length and depth using a feeler gauge. Repair         Room 6N–321, Fort Worth, TX 76177.
                                              (b) Unsafe Condition                                    the M/R blade if the edge void is within
                                                                                                      maximum repair damage limits, or replace              (i) Subject
                                                 This AD defines the unsafe condition as a
                                                                                                      the M/R blade with an airworthy M/R blade.               Joint Aircraft Service Component (JASC)
                                              crack in an M/R blade, which could result in
                                                                                                         (v) If there is an edge void in a grip plate       Code: 6210, Main Rotor Blades.
                                              failure of the M/R blade and subsequent loss
                                                                                                      or doubler near the outboard tip, tap inspect            Issued in Fort Worth, Texas, on November
                                              of helicopter control.
                                                                                                      the affected area to determine the size and           4, 2016.
                                              (c) Effective Date                                      shape of the void. Repair the M/R blade if the        Lance T. Gant,
                                                 This AD becomes effective December 27,               edge void is within maximum repair damage
                                                                                                      limits, or replace the M/R blade with an              Manager, Rotorcraft Directorate, Aircraft
                                              2016.                                                                                                         Certification Service.
                                                                                                      airworthy M/R blade.
                                              (d) Compliance                                             (vi) If there is any loose or damaged              [FR Doc. 2016–27767 Filed 11–21–16; 8:45 am]
                                                You are responsible for performing each               adhesive squeeze-out along any of the bond            BILLING CODE 4910–13–P
                                              action required by this AD within the                   lines, trim or scrape away the adhesive
                                              specified compliance time unless it has                 without damaging the adjacent surfaces or
                                              already been accomplished prior to that time.           parent material of the M/R blade. Determine
                                                                                                                                                            DEPARTMENT OF TRANSPORTATION
                                                                                                      if there is an edge void or any corrosion by
                                              (e) Required Actions                                    lightly sanding the trimmed area smooth
                                                                                                                                                            Federal Aviation Administration
                                                 (1) Within 25 hours time-in-service (TIS) or         using 280 or finer grit paper. If there is no
                                              2 weeks, whichever occurs first, and                    edge void or corrosion, refinish the sanded
                                              thereafter at intervals not to exceed 25 hours          area.                                                 14 CFR Part 39
                                              TIS or 2 weeks, whichever occurs first, clean              (vii) If there is an edge delamination along       [Docket No. FAA–2016–4223; Directorate
                                              the upper and lower exposed surfaces of each            any of the bond lines or a crack in the paint         Identifier 2015–NM–108–AD; Amendment
                                              M/R blade from an area starting at the butt             finish, determine if there is an edge void or         39–18693; AD 2016–22–04]
                                              end of the blade to three inches outboard of            a crack in the grip pad, grip plate, doubler,
                                              the doublers. Using a 3X or higher power                or skin by removing paint from the affected           RIN 2120–AA64
                                              magnifying glass and a light, inspect as                area by lightly sanding in a span-wise
                                              follows:                                                direction using 180–220 grit paper. If there          Airworthiness Directives; Gulfstream
sradovich on DSK3GMQ082PROD with RULES




                                                 (i) Visually inspect the exposed area of the         are no edge voids and no cracks, refinish the         Aerospace Corporation Airplanes
                                              lower grip pad and upper and lower grip                 sanded area.
                                              plates of each M/R blade for a crack and any               (viii) If any parent material is removed           AGENCY:  Federal Aviation
                                              corrosion.                                              during any sanding or trimming in                     Administration (FAA), DOT.
                                                 (ii) On the upper and lower exposed                  paragraphs (e)(2)(vi) or (e)(2)(vii) of this AD,      ACTION: Final rule.
                                              surfaces of each M/R blade from blade                   repair the M/R blade if the damage is within
                                              stations 24.5 to 35 for the entire chord width,         maximum repair damage limits, or replace              SUMMARY:  We are adopting a new
                                              visually inspect each layered doubler and               the M/R blade with an airworthy M/R blade.            airworthiness directive (AD) for certain


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                                                               Federal Register / Vol. 81, No. 225 / Tuesday, November 22, 2016 / Rules and Regulations                                       83663

                                              Gulfstream Aerospace Corporation                        Park, GA 30337; phone: 404–474–5552;                  Directives’’.) (Specifically, see 14 CFR
                                              Model GV and GV–SP airplanes. This                      fax: 404–474–5606; email:                             39.5.) Additionally, the FAA’s
                                              AD was prompted by a new revision to                    ronald.wissing@faa.gov.                               Determination section of the NPRM is
                                              the Airworthiness Limitations Section                   SUPPLEMENTARY INFORMATION:                            not restated in this final rule. We have
                                              (ALS) of the Aircraft Maintenance                                                                             not changed this AD regarding this
                                              Manual (AMM) based on fatigue and                       Discussion                                            issue.
                                              damage tolerance testing, and updated                     We issued a notice of proposed
                                                                                                                                                            Request for Clarification of Certain
                                              analysis. This AD requires revising the                 rulemaking (NPRM) to amend 14 CFR
                                                                                                                                                            Language From the NPRM
                                              maintenance or inspection program to                    part 39 by adding an AD that would
                                              incorporate updated inspection                          apply to certain Gulfstream Aerospace                    Gulfstream requested clarification
                                              requirements and life limits that address               Corporation Model GV and GV–SP                        regarding which ‘‘operator maintenance
                                              fatigue cracking of principal structural                airplanes. The NPRM published in the                  documents’’ require revision.
                                              elements (PSEs). We are issuing this AD                 Federal Register on March 14, 2016 (81                Gulfstream did not provide any
                                              to ensure that fatigue cracking of PSEs                 FR 13301) (‘‘the NPRM’’). The NPRM                    justification for its request.
                                              is detected and corrected; such fatigue                 was prompted by a new revision to the                    We agree that clarification is
                                              cracking could result in reduced                        ALS of the AMM, Chapter 05–10–10,                     necessary. Regardless of the
                                              structural integrity of the PSEs and                    based on fatigue and damage tolerance                 maintenance program that an operator
                                              critical components.                                    testing, and updated analysis. The                    uses, this AD requires revising the
                                                                                                      NPRM proposed to require revising the                 applicable maintenance or inspection
                                              DATES: This AD is effective December
                                                                                                      maintenance or inspection program to                  program documentation. The owner or
                                              27, 2016.                                                                                                     operator is responsible for maintaining
                                                 The Director of the Federal Register                 update inspection requirements and life
                                                                                                      limits that address fatigue cracking of               its fleet in an airworthy condition,
                                              approved the incorporation by reference
                                                                                                      principal structural elements (PSEs). We              including compliance with 14 CFR part
                                              of a certain publication listed in this AD
                                                                                                      are issuing this AD to ensure that fatigue            39. This final rule has not been changed
                                              as of December 27, 2016.
                                                                                                      cracking of PSEs is detected and                      in this regard.
                                              ADDRESSES: For service information
                                              identified in this final rule, contact                  corrected; such fatigue cracking could                Request To Clarify Applicability
                                              Gulfstream Aerospace Corporation,                       result in reduced structural integrity of                Gulfstream requested that we revise
                                              Technical Publications Dept., P.O. Box                  the PSEs and critical components.                     the ‘‘Differences Between This Proposed
                                              2206, Savannah, GA 31402–2206;                          Comments                                              AD and the Service Information’’
                                              telephone: 800–810–4853; fax: 912–                                                                            section of the NPRM. Gulfstream
                                                                                                        We gave the public the opportunity to
                                              965–3520; email: pubs@gulfstream.com;                                                                         pointed out that they believe the
                                                                                                      participate in developing this AD. The
                                              Internet: http://www.gulfstream.com/                                                                          applicability is contradictory to
                                                                                                      following presents the comments
                                              product_support/technical_pubs/pubs/                                                                          Gulfstream Document GV–GER–9973,
                                                                                                      received on the NPRM and the FAA’s
                                              index.htm. You may view this                                                                                  Summary of Changes to the GV Series
                                                                                                      response to each comment.
                                              referenced service information at the                                                                         Airworthiness Limitations, Revision C,
                                              FAA, Transport Airplane Directorate,                    Request To Specify Referenced                         dated January 8, 2015. Gulfstream also
                                              1601 Lind Avenue SW., Renton, WA.                       Document                                              mentioned that it does not believe an
                                              For information on the availability of                    Gulfstream requested that we revise                 operator would be able to log
                                              this material at the FAA, call 425–227–                 the SUMMARY section and the Discussion                compliance with the proposed AD.
                                              1221. It is also available on the Internet              section of the NPRM, and paragraph (e)                   We agree to clarify. The applicability
                                              at http://www.regulations.gov by                        of the proposed AD, to refer to the                   of this AD differs from the effectivity of
                                              searching for and locating Docket No.                   AMM, Chapter 05–10–10, which                          Gulfstream Document GV–GER–9973,
                                              FAA–2016–4223.                                          contains updated inspection                           Summary of Changes to the GV Series
                                              Examining the AD Docket                                 requirements and life limits.                         Airworthiness Limitations, Revision C,
                                                                                                        We agree with the request. We have                  dated January 8, 2015, which excludes
                                                You may examine the AD docket on                      revised the SUMMARY and Discussion                    airplanes on which certain
                                              the Internet at http://                                 sections of this final rule, and paragraph            supplemental type certificates (STCs)
                                              www.regulations.gov by searching for                    (e) of this AD accordingly.                           have been accomplished. Airplanes on
                                              and locating Docket No. FAA–2016–                                                                             which those STCs have been
                                              4223; or in person at the Docket                        Request To Remove Certain Language                    accomplished are included in the
                                              Management Facility between 9 a.m.                      From the NPRM                                         applicability of this AD because those
                                              and 5 p.m., Monday through Friday,                         Gulfstream requested that we revise                airplanes could have inspections and
                                              except Federal holidays. The AD docket                  the FAA’s Determination section of the                limits that are applicable. If it is
                                              contains this AD, the regulatory                        NPRM, which states that the unsafe                    determined that an airplane with a
                                              evaluation, any comments received, and                  condition is likely to exist or develop               listed STC cannot accomplish the
                                              other information. The address for the                  ‘‘in other products of the same type                  requirements of this AD, the operator
                                              Docket Office (phone: 800–647–5527) is                  design.’’ Gulfstream requested that we                may request an alternative method of
                                              Docket Management Facility, U.S.                        remove the quoted language, and                       compliance (AMOC) in accordance with
                                              Department of Transportation, Docket                    pointed out that they believe the                     paragraph (i) of this AD.
                                              Operations, M–30, West Building                         statement is irrelevant to the unsafe                    Also, we do not agree with the
                                              Ground Floor, Room W12–140, 1200                        condition.                                            statement in Gulfstream Document GV–
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                                              New Jersey Avenue SE., Washington,                         We disagree with the commenter’s                   GER–9973, Summary of Changes to the
                                              DC 20590.                                               request. Our phrasing is intentional. The             GV Series Airworthiness Limitations,
                                              FOR FURTHER INFORMATION CONTACT:                        finding that the condition is likely to               Revision C, dated January 8, 2015,
                                              Ronald Wissing, Aerospace Engineer,                     exist or develop in other products of the             indicating that airplanes with specific
                                              Airframe Branch, ACE–117A, FAA,                         same type design is necessary to ensure               STCs installed should be excluded from
                                              Atlanta Aircraft Certification Office                   that the AD falls within the scope of 14              the effectivity of Gulfstream Document
                                              (ACO), 1701 Columbia Avenue, College                    CFR part 39 (‘‘Airworthiness                          GV–GER–9973, Summary of Changes to


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                                              83664            Federal Register / Vol. 81, No. 225 / Tuesday, November 22, 2016 / Rules and Regulations

                                              the GV Series Airworthiness                             paragraph (g) of this AD to clarify the                 • Do not add any additional burden
                                              Limitations, Revision C, dated January                  intent of that note.                                  upon the public than was already
                                              8, 2015. We have not changed this AD                                                                          proposed in the NPRM.
                                                                                                      Request To Verify the Contact
                                              in this regard.                                                                                                 We also determined that these
                                                                                                      Information for Gulfstream
                                                                                                                                                            changes will not increase the economic
                                              Request To Allow the Use of Later-                        Gulfstream requested that we verify                 burden on any operator or increase the
                                              Approved Service Information                            the contact information used in the                   scope of this AD.
                                                 Gulfstream requested that we revise                  ADDRESSES section and paragraph (k)(3)
                                              Note 1 to paragraph (g) of the proposed                 of this AD before publication.                        Related Service Information Under 1
                                              AD. Gulfstream specifically requested                   Gulfstream stated that its contact                    CFR part 51
                                              adding language that would specify ‘‘or                 information and data storage location                    We reviewed Gulfstream Document
                                              later FAA approved revision’’ to clarify                may change before the publication date                GV–GER–9973, Summary of Changes to
                                              operator compliance with the proposed                   of the final rule.                                    the GV Series Airworthiness
                                              AD.                                                       We have verified the contact                        Limitations, Revision C, dated January
                                                 We do not agree to revise Note 1 to                  information used in the ADDRESSES                     8, 2015. The service information
                                              paragraph (g) of this AD to allow use of                section of this final rule, and found that            describes inspection requirements and
                                              ‘‘later FAA-approved revisions.’’ Note 1                no change is necessary.                               life limits that address fatigue cracking
                                              to paragraph (g) of this AD specifies the                                                                     of the PSEs. This service information is
                                              AMM revisions specifically identified in                Conclusion
                                                                                                                                                            reasonably available because the
                                              Gulfstream Document GV–GER–9973,                          We reviewed the relevant data,                      interested parties have access to it
                                              Summary of Changes to the GV Series                     considered the comments received, and                 through their normal course of business
                                              Airworthiness Limitations, Revision C,                  determined that air safety and the                    or by the means identified in the
                                              dated January 8, 2015. This AD does not                 public interest require adopting this AD              ADDRESSES section.
                                              require any actions to be done in                       with the changes described previously
                                              accordance with the AMM revisions                       and minor editorial changes. We have                  Costs of Compliance
                                              specified in Note 1 to paragraph (g) of                 determined that these minor changes:                    We estimate that this AD affects 392
                                              this AD. Additionally, we may not refer                   • Are consistent with the intent that               airplanes of U.S. registry.
                                              to any document that does not yet exist.                was proposed in the NPRM for                            We estimate the following costs to
                                              However, we have revised Note 1 to                      correcting the unsafe condition; and                  comply with this AD:

                                                                                                                   ESTIMATED COSTS
                                                                                                                                                                                 Cost per     Cost on U.S.
                                                                    Action                                              Labor cost                          Parts cost           product       operators

                                              Revision of the maintenance or inspection              1 work-hour × $85 per hour = $85 .................                  $0             $85        $33,320
                                                program.



                                              Authority for This Rulemaking                           the relationship between the national                 PART 39—AIRWORTHINESS
                                                 Title 49 of the United States Code                   government and the States, or on the                  DIRECTIVES
                                              specifies the FAA’s authority to issue                  distribution of power and
                                              rules on aviation safety. Subtitle I,                   responsibilities among the various                    ■ 1. The authority citation for part 39
                                              section 106, describes the authority of                 levels of government.                                 continues to read as follows:
                                              the FAA Administrator. Subtitle VII:                      For the reasons discussed above, I
                                                                                                                                                                Authority: 49 U.S.C. 106(g), 40113, 44701.
                                              Aviation Programs, describes in more                    certify that this AD:
                                              detail the scope of the Agency’s                          (1) Is not a ‘‘significant regulatory               § 39.13     [Amended]
                                              authority.                                              action’’ under Executive Order 12866,
                                                 We are issuing this rulemaking under                   (2) Is not a ‘‘significant rule’’ under             ■ 2. The FAA amends § 39.13 by adding
                                              the authority described in Subtitle VII,                DOT Regulatory Policies and Procedures                the following new airworthiness
                                              Part A, Subpart III, Section 44701:                     (44 FR 11034, February 26, 1979),                     directive (AD):
                                              ‘‘General requirements.’’ Under that                      (3) Will not affect intrastate aviation             2016–22–04 Gulfstream Aerospace
                                              section, Congress charges the FAA with                  in Alaska, and                                            Corporation: Amendment 39–18693;
                                              promoting safe flight of civil aircraft in                (4) Will not have a significant                         Docket No. FAA–2016–4223; Directorate
                                              air commerce by prescribing regulations                 economic impact, positive or negative,                    Identifier 2015–NM–108–AD.
                                              for practices, methods, and procedures                  on a substantial number of small entities
                                                                                                                                                            (a) Effective Date
                                              the Administrator finds necessary for                   under the criteria of the Regulatory
                                              safety in air commerce. This regulation                 Flexibility Act.                                          This AD is effective December 27, 2016.
                                              is within the scope of that authority                                                                         (b) Affected ADs
                                                                                                      List of Subjects in 14 CFR Part 39
                                              because it addresses an unsafe condition
                                                                                                                                                                None.
                                              that is likely to exist or develop on                     Air transportation, Aircraft, Aviation
                                              products identified in this rulemaking                  safety, Incorporation by reference,                   (c) Applicability
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                                              action.                                                 Safety.                                                 This AD applies to Gulfstream Aerospace
                                              Regulatory Findings                                     Adoption of the Amendment                             Corporation Model GV airplanes, certificated
                                                                                                                                                            in any category, serial numbers 501 through
                                                This AD will not have federalism                        Accordingly, under the authority                    693 inclusive and serial number 699; and
                                              implications under Executive Order                      delegated to me by the Administrator,                 Model GV–SP airplanes, certificated in any
                                              13132. This AD will not have a                          the FAA amends 14 CFR part 39 as                      category, serial numbers 5001 through 5433
                                              substantial direct effect on the States, on             follows:                                              inclusive.



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                                                               Federal Register / Vol. 81, No. 225 / Tuesday, November 22, 2016 / Rules and Regulations                                       83665

                                              (d) Subject                                             send your request to your principal inspector         DEPARTMENT OF TRANSPORTATION
                                                Air Transport Association (ATA) of                    or local Flight Standards District Office, as
                                              America Code 32, Landing Gear; 53,                      appropriate. If sending information directly          Federal Aviation Administration
                                              Fuselage; 54, Nacelles/Pylons; 55, Stabilizers;         to the manager of the ACO, send it to the
                                              and 57, Wings.                                          attention of the person identified in                 14 CFR Part 39
                                              (e) Unsafe Condition                                    paragraph (j) of this AD.
                                                                                                                                                            [Docket No. FAA–2016–6672; Directorate
                                                                                                         (2) Before using any approved AMOC,
                                                 This AD was prompted by a new revision                                                                     Identifier 2016–NM–022–AD; Amendment
                                                                                                      notify your appropriate principal inspector,          39–18706; AD 2016–22–17]
                                              to the Airworthiness Limitations Section
                                                                                                      or lacking a principal inspector, the manager
                                              (ALS) of the Aircraft Maintenance Manual                                                                      RIN 2120–AA64
                                              (AMM), Chapter 05–10–10, based on fatigue               of the local flight standards district office/
                                              and damage tolerance testing, and updated               certificate holding district office.
                                                                                                                                                            Airworthiness Directives; The Boeing
                                              analysis. We are issuing this AD to ensure              (j) Related Information
                                              fatigue cracking of principal structural
                                                                                                                                                            Company Airplanes
                                              elements (PSEs) is detected and corrected;                For more information about this AD,
                                                                                                                                                            AGENCY:  Federal Aviation
                                              such fatigue cracking could result in reduced           contact Ronald Wissing, Aerospace Engineer,
                                                                                                                                                            Administration (FAA), DOT.
                                              structural integrity of the PSEs and critical           Airframe Branch, ACE–117A, FAA, Atlanta
                                              components.                                             ACO, 1701 Columbia Avenue, College Park,              ACTION: Final rule.
                                                                                                      GA 30337; phone: 404–474–5552; fax: 404–
                                              (f) Compliance                                                                                                SUMMARY:   We are adopting a new
                                                                                                      474–5606; email: ronald.wissing@faa.gov.
                                                 Comply with this AD within the                                                                             airworthiness directive (AD) for certain
                                              compliance times specified, unless already              (k) Material Incorporated by Reference                The Boeing Company Model 787–8
                                              done.                                                      (1) The Director of the Federal Register           airplanes. This AD was prompted by a
                                              (g) Revise Maintenance or Inspection                    approved the incorporation by reference               report that the grounding jumpers
                                              Program                                                 (IBR) of the service information listed in this       between the environmental control
                                                                                                      paragraph under 5 U.S.C. 552(a) and 1 CFR             system (ECS) bracket and the current
                                                 Within 12 months after the effective date
                                              of this AD, revise the maintenance or                   part 51.                                              return network (CRN) straps near certain
                                              inspection program, as applicable, to                      (2) You must use this service information          passenger entry doors were not bonded
                                              incorporate the airworthiness limitations               as applicable to do the actions required by           correctly during manufacturing. This
                                              specified in Gulfstream Document GV–GER–                this AD, unless the AD specifies otherwise.           AD requires changing the configuration
                                              9973, Summary of Changes to the GV Series                  (i) Gulfstream Document GV–GER–9973,               of the grounding jumpers connecting the
                                              Airworthiness Limitations, Revision C, dated            Summary of Changes to the GV Series                   ECS brackets and CRN straps; measuring
                                              January 8, 2015. The initial compliance times           Airworthiness Limitations, Revision C, dated          the bond resistance; and doing related
                                              for the tasks identified in Gulfstream                                                                        investigative and corrective actions if
                                                                                                      January 8, 2015. The revision level and date
                                              Document GV–GER–9973, Summary of
                                                                                                      of this document are not specified on the title       necessary. We are issuing this AD to
                                              Changes to the GV Series Airworthiness
                                              Limitations, Revision C, dated January 8,               page of the document.                                 address the unsafe condition on these
                                              2015, are at the applicable times specified in             (ii) Reserved.                                     products.
                                              Gulfstream Document GV–GER–9973,                           (3) For Gulfstream Aerospace Corporation           DATES:  This AD is effective December
                                              Summary of Changes to the GV Series                     service information identified in this AD,            27, 2016.
                                              Airworthiness Limitations, Revision C, dated            contact Gulfstream Aerospace Corporation,               The Director of the Federal Register
                                              January 8, 2015, or within twelve months                Technical Publications Dept., P.O. Box 2206,
                                              after the effective date of this AD, whichever
                                                                                                                                                            approved the incorporation by reference
                                                                                                      Savannah, GA 31402–2206; telephone: 800–
                                              occurs later.                                                                                                 of a certain publication listed in this AD
                                                                                                      810–4853; fax: 912–965–3520; email: pubs@
                                                 Note 1 to paragraph (g) of this AD:                                                                        as of December 27, 2016.
                                                                                                      gulfstream.com; Internet: http://
                                              Gulfstream Document GV–GER–9973,                        www.gulfstream.com/product_support/                   ADDRESSES: For service information
                                              Summary of Changes to the GV Series                                                                           identified in this final rule, contact
                                                                                                      technical_pubs/pubs/index.htm.
                                              Airworthiness Limitations, Revision C, dated                                                                  Boeing Commercial Airplanes,
                                              January 8, 2015, specifies the following AMM               (4) You may view this service information
                                                                                                      at FAA, Transport Airplane Directorate, 1601          Attention: Data & Services Management,
                                              revisions as additional sources of guidance
                                                                                                      Lind Avenue SW., Renton, WA 98057–3356.               P. O. Box 3707, MC 2H–65, Seattle, WA
                                              for the actions required by paragraph (g) of
                                              this AD. For Model GV airplanes, AMM                    For information on the availability of this           98124–2207; telephone 206–544–5000,
                                              Revision 43, dated February 15, 2015; and for           material at the FAA, call 425–227–1221.               extension 1; fax 206–766–5680; Internet
                                              Model GV–SP airplanes, G500 or G550 AMM                    (5) You may view this service information          https://www.myboeingfleet.com. You
                                              Revision 24, dated February 15, 2015, as                that is incorporated by reference at the              may view this referenced service
                                              applicable.                                             National Archives and Records                         information at the FAA, Transport
                                              (h) No Alternative Actions or Intervals                 Administration (NARA). For information on             Airplane Directorate, 1601 Lind Avenue
                                                                                                      the availability of this material at NARA, call       SW., Renton, WA. For information on
                                                After the maintenance or inspection
                                                                                                      202–741–6030, or go to: http://                       the availability of this material at the
                                              program has been revised as required by
                                              paragraph (g) of this AD, no alternative                www.archives.gov/federal-register/cfr/ibr-            FAA, call 425–227–1221. It is also
                                              actions (e.g., inspections) or intervals may be         locations.html.                                       available on the Internet at http://
                                              used unless the actions or intervals are                                                                      www.regulations.gov by searching for
                                                                                                        Issued in Renton, Washington, on October
                                              approved as an alternative method of                    14, 2016.
                                                                                                                                                            and locating Docket No. FAA–2016–
                                              compliance (AMOC) in accordance with the                                                                      6672.
                                              procedures specified in paragraph (i) of this           Michael Kaszycki,
                                              AD.                                                     Acting Manager, Transport Airplane                    Examining the AD Docket
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                                                                                                      Directorate, Aircraft Certification Service.            You may examine the AD docket on
                                              (i) Alternative Methods of Compliance
                                              (AMOCs)                                                 [FR Doc. 2016–25743 Filed 11–21–16; 8:45 am]          the Internet at http://
                                                 (1) The Manager, Atlanta Aircraft                    BILLING CODE 4910–13–P                                www.regulations.gov by searching for
                                              Certification Office (ACO), FAA, has the                                                                      and locating Docket No. FAA–2016–
                                              authority to approve AMOCs for this AD, if                                                                    6672; or in person at the Docket
                                              requested using the procedures found in 14                                                                    Management Facility between 9 a.m.
                                              CFR 39.19. In accordance with 14 CFR 39.19,                                                                   and 5 p.m., Monday through Friday,


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Document Created: 2018-02-14 08:29:19
Document Modified: 2018-02-14 08:29:19
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule.
DatesThis AD is effective December 27, 2016.
ContactRonald Wissing, Aerospace Engineer, Airframe Branch, ACE-117A, FAA, Atlanta Aircraft Certification Office (ACO), 1701 Columbia Avenue, College Park, GA 30337; phone: 404-474- 5552; fax: 404-474-5606; email: [email protected]
FR Citation81 FR 83662 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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