AD 2013-04-04

Recurring final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2013-04-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2012-0809
FR Citation
78 FR 21236

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

The Boeing Company Model 757 airplanes equipped with Rolls-Royce RB211-535E engines.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.