AD 47-10-27
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
The existing fuel tank vent outlets and fuel dump chutes may not provide adequate ventilation and dumping capability, which could lead to fuel system malfunctions or hazardous fuel accumulation during flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install new type fuel tank vent outlets and add extensions to fuel dump chutes as specified by LAC Service Bulletin 49/SB-201.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to July 1, 1947
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Aircraft Corporation Model 49 serial numbers up to and including 2078.
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.