AD 2001-13-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747 | Airworthiness Directives; Boeing Model 747 Series Airplanes |
Unsafe Condition
Cracks on the lower bearing journal of the inboard actuator attach fittings of the outboard trailing edge flaps due to stress corrosion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for cracks and corrosion around the lower bearing of the actuator attach fittings of the inboard and outboard flaps. Overhaul certain actuator attach fittings or replace them with new fittings, as applicable. Replace actuator attach fittings with improved fittings, which terminates all requirements of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within specified intervals as outlined in the referenced service bulletin and overhaul manuals.
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Affected Aircraft
Boeing Model 747 series airplanes listed in Boeing Service Bulletin 747-57A2310, Revision 2.
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
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