# AD 63-16-05: Main Landing Gear Actuating Cylinders

- 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- Superseded by: Nothing supersedes this AD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/293978D03B55563A86256A4500638D08.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/63-16-05

## The airworthiness directive

63-16-05 UNIVERSAL: Amdt. 589 Part 507 Federal Register July 24, 1963. Applies to All Models Temco D-16 and D-16A Aircraft.

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

  (a) Inspect the flap and landing gear actuating cylinders for cracks. If any cracks appear, the cylinder must be replaced.

  (b) Determine, by means of a hydraulic gage, that the hydraulic system pressure relief valve is adjusted to 1125 + 25, -0 p.s.i. Excessive pressures could cause damage to the components of the system.

  (c) Unless already installed, install hydraulic fluid restrictors in the nose gear lines, Serial Numbers 1271 and subsequent, main gear lines, Serial Numbers 1790 and subsequent, and flap lines, all serial numbers.

  (d) Inspect the linkage adjustments of the landing gear bungee springs and the flap stops and determine that they have been properly adjusted in accordance with appropriate service manuals.

(Tusco Corporation Service Letter No. 79 dated December 23, 1958, covers this same subject.)

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/63-16-05/models.md
Every aircraft: https://openairdocs.org/ad/63-16-05/aircraft.md

Its text cites no advisory circulars or STCs.

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