AD 2007-12-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A330 and A340 | Airworthiness Directives; Airbus Model A330 and A340 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Model A330 and A340 Airplanes |
Unsafe Condition
Uncontained APU (auxiliary power unit) generator failures on ground, leading to structural damages to the APU compartment and stabiliser compartment, and potential damage to the APU fire wall which might reduce its fire extinguishing capability, possibly leading to an uncontrolled fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the inlet screen for the scavenge-oil pump for signs of debris coming from the APU generator. If metallic debris is found, take corrective actions such as replacing the APU generator, installing a substitution kit, deactivating the APU generator, or keeping the APU inoperative. Replace the inlet screen if damaged during the oil system check. For certain airplanes, check the differential pressure indicator button on the lube filter and the generator scavenge filter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Airbus Model A330 and A340 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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