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Airworthiness Directive 2013-19-21

recurring
Official AD 2013-19-21 · FR doc 2013-23432 · 2013-10-02 · turbine engine

Airworthiness Directives; Rolls-Royce plc Turbofan Engines

What this AD requires

We are superseding airworthiness directive (AD) AD 2012-04-13, for all Rolls-Royce plc (RR) model RB211 Trent 553-61, 553A2-61, 556- 61, 556A2-61, 556B-61, 556B2-61, 560-61, and 560A2-61; and RB211 Trent 768-60, 772-60, and 772B-60; and RB211-Trent 875-17, 877-17, 884-17, 884B-17, 892-17, 892B-17, and 895-17; and RB211-524G2-T-19, -524G3-T- 19, -524H-T-36, and -524H2-T-19 turbofan engines that have a high- pressure (HP) compressor stage 1 to 4 rotor disc installed, with a certain part number (P/N) installed. AD 2012-04-13 required repetitive inspections of the axial dovetail slots and follow-on corrective action depending on findings. This new AD expands the population of affected parts. This AD also changes, for the purposes of this AD, the definition of "engine shop visit." This AD was prompted by reports of additional affected HP compressor rotor discs that require the same action. We are issuing this AD to detect cracks in the HP compressor stage 1 and 2 disc posts, which could result in failure of the disc post and HP compressor blades, damage to the engine, and damage to the airplane.

Repetitive inspection. Re-inspect. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 2013-19-21 applies to

MakesRolls-Royce Plc
ModelsRB211 Trent 553-61, RB211 Trent 553A2-61, RB211 Trent 556-61, RB211 Trent 556A2-61, RB211 Trent 556B-61, RB211 Trent 556B2-61, RB211 Trent 560-61, RB211 Trent 560A2-61, RB211 Trent 768-60, RB211 Trent 772-60, RB211 Trent 772B-60, RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17, RB211-Trent 884B-17, RB211-Trent 892-17, RB211-Trent 892B-17, RB211-Trent 895-17, RB211-524G2-T-19, RB211-524G3-T-19, RB211-524H-T-36, RB211-524H2-T-19, RB211 Trent, RB211-Trent, RB211-524
Part-conditional — FK30524, FW88340, FK22745, FK24031, FK23313, FK25502, FK26185, FK32129.

Applies only to engines with the specific HP compressor stage 1-4 rotor disc part number installed, per engine model, as listed in Table 1 to paragraph (c) of this AD: RB211 Trent 553/553A2/556/556A2/556B/556B2/560/560A2 - disc P/N FK30524 or FW88340; RB211 Trent 768/772/772B - disc P/N FK22745, FK24031, FK23313, FK25502, FK26185, FK32129, FW20195, FW20196, FW20197, FW20638, FW23711, or FW88695 through FW88703; RB211-Trent 875/877/884/884B/892/892B/895 - disc P/N FK24009, FK26167, FK32580, FW11590, FW61622, FW88723, FW88724, or FW88725; RB211-524G2/-524G3/-524H/-524H2 - disc P/N FK25502, FW20195, FW23711, FW88695, FW88696, or FW88697.

Whether AD 2013-19-21 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 2013-19-21 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.