AD 2007-18-04
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 generator failures on ground, leading to structural damages to the APU compartment and stabiliser compartment, and potential damage to the APU fire wall reducing its fire extinguishing capability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the APU generator scavenge oil filter element and housing for signs of metallic debris. Replace the APU generator scavenge oil filter if metallic debris is found. Inspect the filter element and outer diameter of the filter housing for packing damage and replace the packing if damaged. Clean and reinstall the generator drain plug with a new seal if no metallic debris or debris within acceptable criteria is found. Keep the APU inoperative until corrective actions are completed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Model A330 and A340 airplanes with the affected APU generator system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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