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Airworthiness Directive 2008-23-09

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Official AD 2008-23-09 · FR doc E8-26352 · 2008-11-10 · airframe

Airworthiness Directives; Boeing Model 727-200 and 727-200F Series Airplanes; 737-200, 737-200C, 737-300, and 737-400 Series Airplanes; 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747SR, and 747SP Series Airplanes; 757-200, 757-200CB, and 757-200PF Series Airplanes; and 767-200 and 767-300 Series Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain Boeing transport category airplanes. This AD requires replacing any insulation blanket constructed of polyethyleneteraphthalate (PET) film, ORCON Orcofilm[reg] AN-26 (hereafter "AN-26"), with a new insulation blanket. This AD results from reports of in-flight and ground fires on certain airplanes manufactured with insulation blankets covered with AN-26, which may contribute to the spread of a fire when ignition occurs from sources such as electrical arcing or sparking. We are issuing this AD to ensure that insulation blankets constructed of AN-26 are removed from the fuselage. Such insulation blankets could ignite and propagate a fire that is the result of electrical arcing or sparking.

Which aircraft AD 2008-23-09 applies to

MakesBoeing
Models727-200, 727-200F, 737-200, 737-200C, 737-300, 737-400, 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747SR, 747SP, 757-200, 757-200CB, 757-200PF, 767-200, 767-300, 747-400, 727, 737, 747, 757, 767
Serial-conditional — narrows to serials 23719–23719, 23720–23720, 23814–23814, 23816–23816, 23817–23817, 23818–23818, 23819–23819, 23820–23820, 23999–23999, 24061–24061, 24062–24062.

Table 1 models (727-200/-200F, 737-200/-200C/-300/-400, 747-100/-100B/-100B SUD/-200B/-200C/-200F/-300/SR/SP, 757-200/-200CB/-200PF, 767-200/-300) are affected if the original standard or export Airworthiness Certificate was issued between July 1981 and December 1988 inclusive; the listed serial numbers apply only to Model 747-400 airplanes (separate applicability clause).

Whether AD 2008-23-09 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 2008-23-09 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.