Airworthiness directives › 2013-16-23
AD 2013-16-23 Airworthiness Directives; Rolls-Royce plc Turbofan Engines
Applicability*9
This AD applies to: (1) All Rolls-Royce plc (RR) RB211-524G2-19; -524G3-19; -524H2-19; and -524H-36 turbofan engines; (2) RR RB211-524B-02; -524B2-19; -524B3-02; -524B4-02; -524C2-19; -524D4-19; -524D4-B-19; and -524D4-39 turbofan engines that have incorporated RR Service Bulletin (SB) No. RB.211-72-7221, dated December 7, 1984; (3) All RR RB211-535C-37; -535E4-37; -535E4-B-37, and -535E4-B-75 turbofan engines, except those engines that have incorporated RR SB No. RB.211-72-C230, Revision 1, dated November 22, 2012, or Initial Issue, dated November 16, 1999. (4) This AD does not apply to engines listed in paragraphs (c)(1) through (c)(3) of this AD that have installed a front combustion liner (FCL) metering panel delivered from RR after April 23, 2007.
Compliance
(1) You have satisfied the inspection requirement of paragraph (e) of this AD if, before the effective date of this AD, you performed the actions prescribed in this AD using: (i) RR Alert NMSB No. RB.211-72-AG183, Revision 3, dated December 6, 2012, or Revision 2, dated June 8, 2012, or Revision 1, dated November 16, 2010, or Initial Issue, dated December 17, 2009; or (ii) RR Alert NMSB No. RB.211-72-AG046, Revision 3, dated December 6, 2012, or Revision 2, dated June 7, 2012, or Revision 1, dated January 17, 2011, or Initial Issue, dated December 17, 2009; or (iii) RR Alert NMSB No. RB.211-72-AF572, Revision 2, dated April 2, 2009, or Revision 1, dated October 10, 2008, or Initial Issue, dated October 15, 2007; or (iv) RR Repeater Technical Variance No. 75295, Issue 1, dated April 20, 2007.
Required actions
For the purpose of this AD, a shop visit is the induction of an engine into the shop for maintenance or overhaul. The separation of engine flanges solely for the purposes of transporting the engine without subsequent engine maintenance does not constitute an engine shop visit.
Unsafe condition
Unless already done, do the following actions. (1) At the next engine shop visit or within 625 flight cycles, whichever occurs first after the effective date of this AD, perform a one-time inspection of the FCL metering panel to determine if it is made from N75 material, and if made from N75 material, replace it with one made from C263 material. (2) To inspect RR RB211-524 series turbofan engines: (i) Use paragraph 3. of the Accomplishment Instructions of RR Alert Non-Modification Service Bulletin (NMSB) No. RB.211-72-AG183, Revision 3, dated December 6, 2012; or (ii) You may use paragraph 3.B. of the Accomplishment Instructions in RR Alert NMSB No. RB.211-72-AF572, Revision 2, dated April 2, 2009, or Revision 1, dated October 10, 2008, or paragraph 3. of RR Alert NMSB No. RB.211-72-AG183, Revision 3, dated December 6, 2012, for engine shop visit inspections. (iii) You may use paragraph 3.B.(5)(p)(i) of RR Alert NMSB No. RB.211-72-AG183, Revision 3, dated December 6, 2012, and a spectroscopic analysis, instead of paragraphs 3.B.(3) through 3.B.(5)(p), and paragraphs 3.C.(5)(q) and (r). (iv) You may use a local facility in the context of an FAA-accepted maintenance or quality plan to perform the spectroscopic analysis. (3) To inspect RR RB211-535 series turbofan engines: (i) Use paragraph 3. of the Accomplishment Instructions of RR Alert NMSB No. RB.211-72-AG046, Revision 3, dated December 6, 2012; or (ii) You may use paragraph 3.B. of the Accomplishment Instructions in RR Alert NMSB No. RB.211-72-AF572, Revision 2, dated April 2, 2009, or Revision 1, dated October 10, 2008, or paragraph 3. of RR Alert NMSB No. RB.211-72-AG046, Revision 3, dated December 6, 2012, for engine shop visit inspections. (iii) You may use paragraph 3.C.(5)(p)(i) of RR Alert NMSB No. RB.211-72-AG046, Revision 3, dated December 6, 2012, and a spectroscopic analysis, instead of paragraphs 3.C.(3) through 3.C.(5)(p), and paragraph 3.C.(5)(q). (iv) You may use a local facility to perform the spectroscopic analysis in the context of an FAA-accepted maintenance or quality plan. (v) The accomplishment instructions in paragraphs 3.B.(6)(g)(iii) and 3.B.(6)(j)(i) of RR Alert NMSB No. RB.211-72-AG046, Revision 3, dated December 6, 2012, specify use of RR tooling for the post-inspection fuel manifold pressure test. However, you may use locally sourced tooling in the context of an FAA-accepted maintenance or quality plan.
Affected ADs
None.
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