AD 47-31-01

final rule
Data completeness: 60%

Airworthiness Directives; NAVION All Serials Up to and Including Number NAV-4-947.

AD Number
47-31-01
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 All Serials Up to and Including Number NAV-4-947.

Unsafe Condition

Nose gear hydraulic actuating cylinder line failures due to inflexibility.

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

Required Actions

Replace the present lines with longer lines incorporating a 'U' bend and reinstall the cylinders with the lines leading aft.

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

Compliance Time

not later than October 1, 1947

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

Affected Aircraft

NAVION All Serials up to and including Number NAV-4-947

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.

View Official Source ↗ Find More ADs for Sierra Hotel Aero, Inc. Navion (Army L-17A)

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