AD 47-10-18

final rule
Data completeness: 60%

LOCKHEED Model 49-46 Aircraft

AD Number
47-10-18
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Lockheed Aircraft Corporation 49-46 LOCKHEED Model 49-46 Aircraft

Unsafe Condition

The hose connections in the fuel line between the air metering chamber and fuel injection pump may fail, posing a fire hazard due to non-fire resistant hose and insufficient clamps.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace the hose connections with fire resistant hose and double hose clamps using Wright Aeronautical Corporation part numbers 856864 and 855403.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Not later than 100 hours of operation after March 1, 1947, or during conversion of Model 49-51 aircraft to Model 49-46 aircraft, whichever occurs first.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Lockheed Aircraft Corporation Model 49-46 Aircraft, including conversions from Model 49-51.

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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