AD 48-19-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 149-46 | LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft |
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft |
| aircraft | Lockheed Aircraft Corporation | 649-79 | LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft |
| aircraft | Lockheed Aircraft Corporation | 749-79 | LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft |
Unsafe Condition
Cracks or other signs of failure at the rivet attachment points of the two fittings, P/N 256019, 'Lever-Cockpit Torque Tube', in the elevator control system, particularly at the base of the arm.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the two fittings P/N 256019 for cracks or other signs of failure at the rivet attachment points. Remove and replace any defective parts with new parts LAC No. 302349, reinforced with fittings LAC No. 302337, or their equivalents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
next No. 1 inspection, and thereafter at periods not to exceed 550 hours of operation
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Aircraft Corporation Models 49-46, 149-46, 649-79, and 749-79 Aircraft
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.