AD 92-10-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; BOEING Model 757-200 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; BOEING Model 757-200 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; BOEING Model 757-200 Series Airplanes |
Unsafe Condition
In-flight deployment of both thrust reverser sleeves on one engine could result in reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the restrictor union with a standard union on each engine strut in the return port of the thrust reverser directional control valve and perform a functional test of the thrust reverser system in accordance with Boeing Alert Service Bulletin 757-78A0030.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 90 days 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 airplanes equipped with Rolls-Royce RB211-535 series engines as listed in Boeing Alert Service Bulletin 757-78A0030 dated January 31, 1992.
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.