AD 2008-23-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 727-200 and 727-200F | 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 |
Unsafe Condition
Insulation blankets constructed of polyethyleneteraphthalate (PET) film, ORCON Orcofilm® AN-26, may ignite and propagate a fire when exposed to ignition sources such as electrical arcing or sparking.
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Required Actions
Replace all insulation blankets constructed of AN-26 with new insulation blankets meeting the requirements of Section 25.856(a) of Title 14 of the Code of Federal Regulations (14 CFR 25.856(a)).
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Compliance Time
Within 96 months of the effective date (December 15, 2008).
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Affected Aircraft
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.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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