AD 87-01-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | BOEING Model 757 Series Airplanes |
Unsafe Condition
Overheating of the transformer rectifier unit of the auxiliary power unit starter motor may cause 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 757-24A0032, dated May 16, 1986, 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 7 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 757-200 Series, 757-200CB Series, 757-200PF Series, and 757-300 Series airplanes specified in Boeing Alert Service Bulletin 757-24A0032, dated May 16, 1986.
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.