AD 49-45-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | JGS Properties, LLC | 11A | Airworthiness Directives; Luscombe Model 11A Aircraft |
Unsafe Condition
Buckling, cracks, or permanent set exceeding 1/8 inch in the web of the main landing gear aft fuselage canted bulkhead adjacent to the steel landing gear trunnion and fuel line, and cracks in the fuselage wing lift strut attach fitting radii of the flanges.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for buckling, cracks, or permanent set in the bulkhead web and flange, and fuselage wing lift strut attach fitting cracks. Repair or replace bulkhead if loose rivets, cracks, or over 1/8 inch permanent set are found. Install a 4230 steel collar on the hinge pin front end and a 0.064 inch 24ST curved doubler over the floor skin. Ensure rivet pattern compliance with 5/32-inch A17ST rivets spaced 1/2-inch apart. Reinforce inspection holes with a 4-inch diameter doubler and install an inspection cover.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
as soon as possible but not later than next 25 hours operation time and at each 25-hour period thereafter until reinforcement is accomplished
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Affected Aircraft
Luscombe Model 11A Aircraft, all serial numbers
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
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