AD 79-03-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 382 | LOCKHEED Model 382 Series Aircraft |
| aircraft | Lockheed Martin Corporation | 382B | LOCKHEED Model 382 Series Aircraft |
| aircraft | Lockheed Martin Corporation | 382E | LOCKHEED Model 382 Series Aircraft |
| aircraft | Lockheed Martin Corporation | 382F | LOCKHEED Model 382 Series Aircraft |
| aircraft | Lockheed Martin Corporation | 382G | LOCKHEED Model 382 Series Aircraft |
Unsafe Condition
Collapse of the main landing gear (MLG) due to failure of the ballscrew P/N 8353-25 lower mounting flange, potentially leading to loss of the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform repetitive visual checks within 10 hours time in service after the effective date and at each preflight. Conduct a Rockwell hardness test within 50 hours time in service. Replace the casting with a serviceable forging if cracks are found or hardness limits (RC-35 to RC-45) are exceeded, or within 25 landings or 150 flight hours, whichever comes first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 hours time in service after the effective date of this AD and at each preflight thereafter; Rockwell hardness test prior to 50 hours time in service from the effective date; replacement required within 25 landings or 150 flight hours, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Model 382 series aircraft with Calco manufactured ballscrew assembly P/N 8353 installed in the main landing gear (MLG).
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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