AD 47-10-28
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
The elevator cable seal holes in the aft pressure bulkhead may have insufficient diameter, leading to potential binding or failure of the elevator control system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Enlarge the holes in the elevator cable seals in the aft pressure bulkhead to a diameter of 0.19 + 0.031 inch as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to July 1, 1947
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Affected Aircraft
Lockheed Aircraft Corporation Model 49 serial numbers up to and including 2088.
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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