# AD 82-25-04: Flapping Hinge Pin Nut

- Type: Airworthiness directive
- Status: Current
- Products: Airbus Helicopters SA330J
- Effective: December 14, 1982
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Amendment: 39-4505
- Registered aircraft: 6 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0E0BC2650BEC648286256A4E004A902E.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/82-25-04

## The airworthiness directive

82-25-04 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS): Amendment 39-4505. Applies to Model SA330J series helicopters certificated in all categories. Compliance is required as indicated, unless already accomplished.

To prevent fretting corrosion on the flapping hinge subsequent to loosening of the hinge pin attachment nut, 330A.31.1567.20 or 330A.31.1585.20, accomplish the following:

  (a) Within the next 25 flight hours after the effective date of this AD, check the torque of the flapping hinge pin nut in accordance with Aerospatiale SA330 Service Bulletin No. 05.65, paragraph 1C(1)(a) or an equivalent approved by the Manager, FAA, Europe, Africa, and Middle East Office, and thereafter at each P2 inspection (300 hours).

  (b) If the torque value is less than 10 mdaN (74 foot-pounds), adjust the torque in accordance with Aerospatiale SA330 Service Bulletin No. 05.65, paragraph 1C(1)(c) and accomplish the inspection in accordance with paragraph 1C(2)(a) at the nextP2 inspection (300 hours) or an equivalent approved by the Manager, FAA, Europe, Africa, and Middle East Office.

This amendment becomes effective December 14, 1982.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS H4EU](https://openairdocs.org/tcds/H4EU): Airbus Helicopters; names 1 of 7 models: SA330J

## 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: 6 (6 by airframe model, 0 by engine model)
- Makers: Aerospatiale 3, Eurocopter France 2, Eurocopter 1

Models with the most aircraft:

- [Aerospatiale SA330J](https://openairdocs.org/model/aerospatiale-sa330j): 3 aircraft (airframe model)
- [Eurocopter France SA330J](https://openairdocs.org/model/eurocopter-france-sa330j): 2 aircraft (airframe model)
- [Eurocopter SA 330J](https://openairdocs.org/model/eurocopter-sa-330j): 1 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/82-25-04/models.md
Every aircraft: https://openairdocs.org/ad/82-25-04/aircraft.md

Its text cites no advisory circulars or STCs.

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