62-03-03: Landing Gear Selector Valve Fitting
FAA order 62-03-03 is an airworthiness directive in force since March 6, 1962. The FAA's subject line: Landing Gear Selector Valve Fitting. It names Navion NAVION D, Navion NAVION F, Navion NAVION G: about 72 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Sierra Hotel Aero, Inc.
- Models
- Navion A (Army L-17B and L-17C), Navion B, Navion D, Navion E, Navion F, Navion G, Navion (Army L-17A)
- On this site
- Navion NAVION D 5 registered
Navion NAVION F 6 registered
Navion NAVION G 61 registered
Dates and paperwork
- In force since
- March 6, 1962
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (761 characters)
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.
Related safety bulletins advice on the same designs, not orders
2022-05-27AIR-22-13 · Landing Gear Components
2018-11-21SW-18-31 · NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM
2007-03-14CE-06-11R1 · Fuel system selector valves
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of October 5, 2026. Connections as data: /graph/directive/62-03-03.json · aircraft systems.