# AD 63-16-06: Gear Selector Valve End Fitting

- Type: Airworthiness directive
- Status: Current
- Products: American Navion Society D-16 and D-16A
- Effective: August 23, 1963
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 10 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A99C89E390EBE02586256A450067A8E9.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/63-16-06

## The airworthiness directive

63-16-06 UNIVERSAL: Amdt. 590 Part 507 Federal Register July 24, 1963. Applies to Models Temco D-16 and D-16A 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 nonheat- 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 before further flight.

This directive effective August 23, 1963.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 2A1](https://openairdocs.org/tcds/2A1): American Navion Society Ltd.; names 2 of 2 models: D-16A, D-16

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 10 (10 by airframe model, 0 by engine model)
- Makers: Temco 8, Riley 2

Models with the most aircraft:

- [Temco D-16A](https://openairdocs.org/model/temco-d-16a): 6 aircraft (airframe model)
- [Temco D-16](https://openairdocs.org/model/temco-d-16): 2 aircraft (airframe model)
- [Riley D-16](https://openairdocs.org/model/riley-d-16): 1 aircraft (airframe model)
- [Riley D-16A](https://openairdocs.org/model/riley-d-16a): 1 aircraft (airframe model)

All 4 models: https://openairdocs.org/ad/63-16-06/models.md
Every aircraft: https://openairdocs.org/ad/63-16-06/aircraft.md

Its text cites no advisory circulars or STCs.

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