AD 73-11-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Israel Aircraft Industries, Ltd. | 1121 | Airworthiness Directives; ISRAELI AIRCRAFT INDUSTRIES Model 1121 Series Airplanes |
| aircraft | Israel Aircraft Industries, Ltd. | 1121A | Airworthiness Directives; ISRAELI AIRCRAFT INDUSTRIES Model 1121 Series Airplanes |
| aircraft | Israel Aircraft Industries, Ltd. | 1121B | Airworthiness Directives; ISRAELI AIRCRAFT INDUSTRIES Model 1121 Series Airplanes |
Unsafe Condition
Failure of a main landing gear due to cracks in the trunnion bosses of the main landing gear upper body, part number ES12845.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the trunnion bosses of the main landing gear upper body (P/N ES12845) for cracks using a mirror and flashlight. Replace the main landing gear with a serviceable part of the same part number or FAA-approved equivalent if a crack is found, and report the finding on FAA Form 8330-2.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to next takeoff
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Affected Aircraft
Israel Aircraft Industries, Ltd. Model 1121, 1121A, 1121B airplanes, serial numbers 3 through 150 excluding serial number 107.
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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