AD 2013-04-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Incorrectly installed washers under the attachment bolts of the aft hinge fittings of the thrust reversers could lead to failure of the attachment bolts and consequent separation of a thrust reverser from the airplane during flight, which could result in structural damage to the airplane.
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Required Actions
Inspect the washers installed under the attachment bolts of the aft hinge fittings for correct installation sequence. Reinstall the washers if necessary. Optionally, install a redesigned aft hinge fitting with the trim already done instead of trimming an existing or new hinge fitting.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 757 airplanes equipped with Rolls-Royce RB211-535E engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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