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Airworthiness Directive 2012-02-03

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Official AD 2012-02-03 · FR doc 2012-2893 · 2012-02-09 · turbine engine

Airworthiness Directives; CFM International, S.A. Turbofan Engines

What this AD requires

We are adopting a new airworthiness directive (AD) for certain CFM International, S.A. model CFM56-5B series turbofan engines. This AD was prompted by a normal quality sampling at CFM International, S.A. that isolated a production batch of fan blades with nonconforming geometry of mid-span shroud tips of the fan blades. This AD requires removing from service certain serial number (S/N) fan blades. We are issuing this AD to prevent an inflight shutdown (IFSD) of one or more engines following foreign object damage (FOD) or a bird strike.

Which aircraft AD 2012-02-03 applies to

MakesCfm International, S.A.
ModelsCFM56-5B1/3, CFM56-5B2/3, CFM56-5B3/3, CFM56-5B4/3, CFM56-5B5/3, CFM56-5B6/3, CFM56-5B7/3, CFM56-5B8/3, CFM56-5B9/3, CFM56-5B3/3B1, CFM56-5B4/3B1, CFM56
Part-conditional — 338-002-114-0.

Applies only to engines with a fan blade, P/N 338-002-114-0, that has a serial number listed in Appendix A of CFM International SB No. CFM56-5B S/B 72-0777, Revision 1, dated April 11, 2011, installed.

Whether AD 2012-02-03 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 2012-02-03 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.