2015-23-04: Non-conforming ball valve in the oil filler cap

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): 2015-23-04 General Electric Company: Amendment 39-18320; Docket No. FAA-2015-1658; Directorate Identifier 2015-NE-18-AD. (a) Effective Date This AD is effective December 17, 2015. (b) Affected ADs None. (c) Applicability This AD applies to all General Electric Company (GE) GEnx-1B model turbofan engines with oil filler cap, part number (P/N) 2349M62G01, installed, that do not contain any of the following markings after the P/N on the oil filler cap scupper: ``P/M BALL PP,'' or ``RW,'' or ``79-0022.'' (d) Unsafe Condition This AD was prompted by reports of GEnx-1B engine oil loss. We are issuing this AD to prevent loss of engine oil, which could lead to failure of one or more engines, loss of thrust control, and damage to the airplane. (e) Compliance Comply with this AD within the compliance times specified, unless already done. (1) Within 360 cycles in service after the effective date of this AD, remove the ball valve, P/N 2349M68P01, from the affected oil filler cap and replace with a part eligible for installation. (2) Reserved. (f) Alternative Methods of Compliance (AMOCs) The Manager, Engine Certification Office, FAA, may approve AMOCs to this AD. Use the procedures found in 14 CFR 39.19 to make your request. You may email your request to: ANE-AD-AMOC@faa.gov. (g) Related Information (1) For more information about this AD, contact Christopher McGuire, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 12 New EnglandExecutive Park, Burlington, MA 01803; phone: 781-238-7120; fax: 781-238-7199; email: chris.mcguire@faa.gov. (2) GE GEnx-1B SB No. 79-0022, Revision 1, dated May 13, 2015, which is not incorporated by reference in this AD, can be obtained from GE using the contact information in paragraph (g)(3) of this AD. (3) For service information identified in this AD, contact General Electric Company, GE Aviation, Room 285, 1 Neumann Way, Cincinnati, OH 45215; phone: 513-552-3272; email: geae.aoc@ge.com. (4) You may view this service information at the FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA. For information on the availability of this material at the FAA, call 781-238-7125.