AD 2012-20-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Corrosion damage to the end fittings of the wing landing gear (WLG) support beams, and subsequent cracking in the end fittings, which could result in separation of the fitting and damage to adjacent flight control cables and hydraulic systems, leading to reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect visually around the bushings of the WLG beam outboard end fittings for corrosion, and rework if necessary. Perform ultrasonic inspections for cracks of the outboard end fittings of the WLG support beams, and rework if necessary. Add repetitive inspections of the outboard end fitting of the left and right WLG support beams for cracks and corrosion, and perform corrective actions if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 747 airplanes, including additional airplanes as specified in the AD, with wing landing gear (WLG) support beams.
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.