# AD 65-13-04: Nose Gear Strut Assembly

- Type: Airworthiness directive
- Status: Current
- Products: Gulfstream Aerospace G-159
- Effective: June 12, 1965
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-80
- Registered aircraft: 5 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0806520BE15CF918862569B5007010C7.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/65-13-04

## The airworthiness directive

65-13-04 GRUMMAN: Amdt. 39-80 Part 39 Federal Register June 12, 1965. Applies to Model G-159 Aircraft Equipped with Bendix Nose Gear Strut Assembly, P/N 1722-40 or 2570890.

Compliance required as indicated.

To prevent failure of the nose gear trunnion, accomplish the following:

  (a) Inspect the nose gear trunnion, Bendix P/N 171467 in accordance with (c) within the next 20 hours' time in service after the effective date of this AD unless replaced within the next 20 hours' time in service after the effective date of this AD, or unless already inspected within the last 80 hours' time in service, and thereafter at intervals not to exceed 100 hours' time in service from the last inspection.

  (b) Within the next 20 hours' time in service after replacement of a nose gear trunnion, and thereafter at intervals not to exceed 100 hours' time in service from the last inspection, inspect the replacement trunnion in accordance with (c).

  (c) Inspect the retract shaft attachment lugs on the nose gear trunnion forward flanges for cracks in the radii above and below the area where the retract shaft attachment lugs blend into the trunnion flanges, using the dye penetrant method with a 10 power or greater glass or an FAA-approved equivalent.

  (d) Replace cracked trunnions with a trunnion of the same part number or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, before further flight except that the aircraft may be flown in accordance with the provisions of FAR 21.197, after approval by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, to a base where the repair can be made.

This directive effective June 12, 1965.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 1A17](https://openairdocs.org/tcds/1A17): Gulfstream Aerospace Corporation; names 1 of 1 models: G-159

## 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: 5 (5 by airframe model, 0 by engine model)
- Makers: Grumman 4, Grumman American Avn. 1

Models with the most aircraft:

- [Grumman G-159](https://openairdocs.org/model/grumman-g-159): 4 aircraft (airframe model)
- [Grumman American Avn. G-159](https://openairdocs.org/model/grumman-american-avn-g-159): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/65-13-04/models.md
Every aircraft: https://openairdocs.org/ad/65-13-04/aircraft.md

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.