AD 87-17-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
Unsafe Condition
Overheating of the transformer rectifier unit (TRU) of the auxiliary power unit (APU) starter motor may create a fire hazard.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the 50-ampere circuit breaker with a 35-ampere circuit breaker in accordance with Boeing Service Bulletin 767-24A0039, dated March 12, 1987, or later FAA-approved revision. An alternate means of compliance or adjustment of the compliance time may be used if approved by the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 3 months after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 767 series airplanes specified in Boeing Alert Service Bulletin 767-24A0039, dated March 12, 1987, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.