AD 62-03-03

Airworthiness directive · Landing Gear Selector Valve Fitting · Sierra Hotel Aero Navion A (Army L-17B and L-17C), Navion B, Navion D and 4 more

Effective
March 6, 1962
Models
Navion A (Army L-17B and L-17C), Navion B, Navion D, Navion E, Navion F, Navion G, Navion (Army L-17A)
Data sheet
TCDSA-782
Registered aircraft
828 matched by model
Product
Aircraft · Small airplane

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

62-03-03 NAVION: Amdt. 396 Part 507 Federal Register February 3, 1962. Applies to Navion, Navion A, B, D, E, F, and G Aircraft.

Compliance required within the next 25 hours' time in service after the effective date of this AD and at each periodic inspection thereafter.

The landing gear selector valve end fitting P/N 145-58145-3 (heat treated and non-heat treated) has a service history of failure during attempts to extend the gear. To preclude further difficulties:

Inspect the gear actuating system in accordance with Navion Service Letter No. 81, dated March 31, 1961. Any defective parts found as a result of this inspection must be replaced prior to further flight.

This supersedes AD 50-24-01.

This directive effective March 6, 1962.

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 828

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Ryan359 aircraft
  • North American256 aircraft
  • Navion213 aircraft
By year built
19461973
Registered aircraft by year built: 635 aircraft
1946106
1947137
1948145
194979
195070
195133
19521
19531
19561
19582
19592
19616
196246
19631
19643
19651
19731

193 with no year recorded

By model

See all 17 models

Aircraft

See all 828 aircraft