2012-14-01: LP compressor booster rotor

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): 2012-14-01 Rolls-Royce Deutschland Ltd & Co KG: Amendment 39-17115; Docket No. FAA-2012-0008; Directorate Identifier 2011-NE-43-AD. (a) Effective Date This AD becomes effective October 19, 2012. (b) Affected ADs None. (c) Applicability This AD applies to Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700- [[Page 56758]] 715A1-30, BR700-715B1-30, and BR700-715C1-30 turbofan engines, with a low-pressure (LP) compressor booster rotor, part number (P/N) BRH19215, or P/N BRH19871, with serial numbers (S/N) 118 to 255 inclusive, installed. (d) Reason This AD was prompted by the discovery of a manufacturing defect on certain P/N and S/N LP compressor booster rotors. We are issuing this AD to prevent failure of the LP compressor booster rotor, uncontained engine failure, and damage to the airplane. (e) Actions and Compliance Unless already done, do the following actions. (1) At the applicable compliance time in Table 1 to paragraph (e) of this AD, perform an initial fluorescent penetrant inspection (FPI) of the LP compressor booster rotor, in accordance with paragraphs 3.D. through 3.H.(1) (except paragraphs 3.G.(1) and 3.G.(2)) of Accomplishment Instructions of RRD Alert Non- Modification Service Bulletin No. ALERT SB-BR700-72-A900503, Revision 4, dated June 16, 2011. Table 1 to Paragraph (e)--Compliance Times ------------------------------------------------------------------------ Repetitive FPI Engine type of operation Initial FPI (whichever interval (not occurs later) to exceed) ------------------------------------------------------------------------ ``Hawaiian'' Flight Mission Before accumulating 6,000 EC only. 36,000 engine cycles (EC) or within 500 EC after the effective date of this AD. Any other rating, or Before accumulating 4,000 EC combination of ratings. 18,000 EC, or within 500 EC after the effective date of this AD. ------------------------------------------------------------------------ (2) Thereafter, at intervals not to exceed the applicable compliance time in Table 1 of this AD, perform repetitive FPIs of the LP compressor booster rotor, in accordance with paragraphs 3.D. through 3.H.(1) (except paragraphs 3.G.(1) and 3.G.(2)) of Accomplishment Instructions of RRD Alert Non-Modification Service Bulletin No. ALERT SB-BR700-72-A900503, Revision 4, dated June 16, 2011. (3) Remove cracked LP compressor booster rotors before further flight. (4) At the next piece part exposure of the LP compressor booster rotor during shop visit, remove the LP compressor booster rotor and either: (i) Rework the LP compressor booster rotor in accordance with paragraph 3.D. of Accomplishment Instructions of RRD Service Bulletin (SB) No. SB-BR700-72-101683, dated September 20, 2010; or (ii) Replace the LP compressor booster rotor with one that is eligible for installation. (f) Definitions (1) For the purpose of this AD, an LP compressor booster rotor that is eligible for installation is one that is not listed in applicability paragraph (c) of this AD. (2) The Hawaiian Flight Mission referenced in Table 1 to paragraph (e) is shown in Figure 1 to paragraph (f)(2): [[Page 56759]] [GRAPHIC] [TIFF OMITTED] TR14SE12.054 (g) Alternative Methods of Compliance (AMOCs) The Manager, Engine Certification Office, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 tomake your request. (h) Related Information (1) For more information about this AD, contact Mark Riley, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA 01803; phone: 781-238-7758; fax: 781-238-7199; email: mark.riley@faa.gov. (2) Refer to MCAI European Aviation Safety Agency Airworthiness Directive 2011-0232, dated December 13, 2011, for related information. (i) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the following service information under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use the following service information to do the actions required by this AD, unless the AD specifies otherwise: (i) Rolls-Royce Deutschland (RRD) Ltd & Co KG Alert Non- Modification Service Bulletin No. ALERT SB-BR700-72-A900503, Revision 4, dated June 16, 2011. (ii) RRD Ltd & Co KG Service Bulletin No.SB-BR700-72-101683, dated September 20, 2010. (3) For service information identified in this AD, contact Rolls-Royce Deutschland Ltd & Co KG, Eschenweg 11, Dahlewitz, 15827 Blankenfelde-Mahlow, Germany, telephone: +49 (0) 33-7086-1883, fax: +49 (0) 33-7086-3276. (4) You may review 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. (5) You may also review the 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.