AD Amdt-39-10510
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-400 | Airworthiness Directives; Boeing Model 747-400 Series Airplanes |
Unsafe Condition
Improper installation or maintenance of the auxiliary power unit (APU) battery grounds can cause overheating and heat damage, leading to smoke or fire from the APU.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove and reconfigure the APU battery grounds to ensure proper installation and maintenance.
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
Boeing Model 747-400 series airplanes with improperly installed or maintained APU battery grounds.
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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