AD 2015-11-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Reports of very high temperatures, near the floor in the aft lower lobe cargo compartment, which could lead to overheating and the release of flammable vapors from temperature-sensitive cargo, potentially resulting in a fire or explosion if exposed to an ignition source.
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Required Actions
Install an additional zone temperature sensor (ZTS) assembly in the aft cargo compartment. For certain airplanes, install tape and replace the markers in the bulk cargo compartment unless terminated by the early installation of the ZTS.
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Compliance Time
Within 12 months of the effective date (July 6, 2015).
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Affected Aircraft
The Boeing Company Model 747-400, 747-400D, 747-400F, 747-8F, and 747-8 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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