AD 47-31-02

final rule
Data completeness: 60%

Airworthiness Directives; Navion Serial Numbers NAV-4-2 Through NAV-4-850

AD Number
47-31-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Sierra Hotel Aero, Inc. Navion (Army L-17A) Airworthiness Directives; Navion Serial Numbers NAV-4-2 Through NAV-4-850

Unsafe Condition

Premature failure of the carburetor vapor return line hose P/N 75696 in the event of an engine compartment fire.

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

Required Actions

Remove carburetor vapor return line hose P/N 75696 and install fire-resistant hose P/N 76701.

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

Compliance Time

not later than November 1, 1947

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

Affected Aircraft

Sierra Hotel Aero, Inc. Navion (Army L-17A) serial numbers NAV-4-2 through NAV-4-850

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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