AD 47-10-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
The elevator booster shifter horn assembly's teeth on 278488 gear may have insufficient width due to inadequate manufacturing tolerances, leading to potential gear tooth failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Rework the elevator booster shifter horn assembly by reducing the width of the teeth on 278488 gear by 0.120 inch from each end of all teeth.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to August 9, 1946
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Aircraft Corporation Model 49 serial numbers 1975 to 1978, inclusive; 1980; and 2021 to 2059, inclusive.
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.