2015-20-10: Pneumatic

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): 2015-20-10 Gulfstream Aerospace Corporation: Amendment 39-18289; Docket No. FAA-2015-0677; Directorate Identifier 2013-NM-244-AD. (a) Effective Date This AD is effective November 13, 2015. (b) Affected ADs None. (c) Applicability This AD applies to all Gulfstream Aerospace Corporation Model GVI airplanes, certificated in any category. (d) Subject Air Transport Association (ATA) of America Code 36, Pneumatic. (e) Unsafe Condition This AD was prompted by reports of corrosion on in-service air non-returnvalves. We are issuing this AD to ensure the flightcrew is provided with procedures to mitigate the risks associated with failure of the high pressure (HP) Stage 5 air non-return valve. Failure of the HP Stage 5 air non-return valve in the open position could result in engine instability and uncommanded in-flight shutdown. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Revision of the Airplane Flight Manual (AFM) Within 30 days after the effective date of this AD: Revise the Emergency Procedures section of the AFM by inserting Section 04-08- 20, Normal Airstart--Automatic; Section 04-08-30, Manual Airstart-- Starter Assist; and Section 04-08-40, Manual Airstart--Windmilling; of Chapter 04, Emergency Procedures; of the Gulfstream GVI (G650) AFM, Document Number GAC-AC-G650-OPS-0001, Revision 5, dated August 12, 2013. (h) Revision of Maintenance or Inspection Program Within 30 days after the effective date of this AD: Revise the airplane maintenance manual or inspection program, as applicable, by incorporating the requirement for the HP Stage 5 air non-return valve from Section 05-10-10, Airworthiness Limitations, of Chapter 05, Time Limits/Maintenance Checks, of the Gulfstream GVI (G650) Maintenance Manual (MM), Revision 4, dated September 30, 2013. The initial compliance time for replacement of the HP Stage 5 air non- return valve is at the applicable time specified in Section 05-10- 10, Airworthiness Limitations, of Chapter 05, Time Limits/ Maintenance Checks, of the Gulfstream GVI (G650) MM, Revision 4, dated September 30, 2013, or within 30 days after the effective date of this AD, whichever occurs later. (i) No Alternative Actions or Intervals After the maintenance or inspection program has been revised, as required by paragraph (h) 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 in accordance with the procedures specified in paragraph (j) of this AD. (j) 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 (k) 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. (k) Related Information For more information about this AD, contact Darby Mirocha, Continued Operational Safety and Certificate Management, ACE-102A, FAA, Atlanta AircraftCertification Office (ACO), 1701 Columbia Avenue, College Park, GA 30337; phone: 404-474-5573; fax: 404-474- 5606; email: [email protected]. (l) 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) Section 04-08-20, Normal Airstart--Automatic, of Chapter 04, Emergency Procedures, of the Gulfstream GVI (G650) Airplane Flight Manual, Document Number GAC-AC-G650-OPS-0001, Revision 5, dated August 12, 2013. (ii) Section 04-08-30, Manual Airstart--Starter Assist, of Chapter 04, Emergency Procedures, of the Gulfstream GVI (G650) Airplane Flight Manual, Document Number GAC-AC-G650-OPS-0001, Revision 5, dated August 12, 2013. (iii) Section 04-08-40, Manual Airstart--Windmilling, of Chapter 04, Emergency Procedures, of the Gulfstream GVI (G650) Airplane Flight Manual, Document Number GAC-AC-G650-OPS-0001, Revision 5, dated August 12, 2013. (iv) Section 05-10-10, Airworthiness Limitations, of Chapter 05, Time Limits/Maintenance Checks, of the Gulfstream GVI (G650) Maintenance Manual, Revision 4, dated September 30, 2013. (3) For service information identified in this AD, contact Gulfstream Aerospace Corporation, Technical Publications Dept., P.O. Box 2206, Savannah, GA 31402-2206; telephone 800-810-4853; 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. 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. [[Page 61091]]