# AD 88-08-03: Attachment Beam Bolts

- Type: Airworthiness directive
- Status: Current
- Products: Airbus Helicopters SA-365N and SA-365N1
- Effective: April 29, 1988
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Amendment: 39-5886
- Registered aircraft: 2 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3A1D52A4EB5390D986256A4E00492B8F.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/88-08-03

## The airworthiness directive

88-08-03 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS): Amendment 39-5886. Applies to all Aerospatiale Model SA 365N series helicopters certificated in all categories.

Compliance is required as indicated (unless already accomplished).

To prevent failure of the attachment bolts of the spherical thrust bearings, accomplish the following:

  (a) Replace attachment beam bolts (P/N 365A31-1898-20) for the spherical thrust bearings as follows --

  (1) For bolts which have 900 or more hours' time in service on the effective date of this AD, replace the bolts within the next 100 hours' time in service; and

  (2) For bolts which have less than 900 hours' time in service on the effective date of this AD, replace the bolts before they reach 1,000 hours' time in service.

  (b) An alternate method of compliance with this AD, which provides an equivalent level of safety, may be used when approved by the Manager, Aircraft Certification Division, Federal Aviation Administration, Fort Worth, Texas 76193-0100, or by the Manager, Aircraft Certification Office, AEU-100, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, Brussels, Belgium.

  (c) In accordance with FAR 21.197 and 21.199, flight is permitted to a base where the maintenance required by this AD may be accomplished.

NOTE: Aerospatiale Service Bulletin No. 01.20 pertains to this subject.

This amendment, 39-5886, becomes effective April 29, 1988.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS H10EU](https://openairdocs.org/tcds/H10EU): Airbus Helicopters; names 2 of 10 models: SA 365 N, SA 365 N1

## 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: 2 (2 by airframe model, 0 by engine model)
- Makers: Aerospatiale 2

Models with the most aircraft:

- [Aerospatiale SA365N1](https://openairdocs.org/model/aerospatiale-sa365n1): 1 aircraft (airframe model)
- [Aerospatiale SA365N-1 DAUPHIN](https://openairdocs.org/model/aerospatiale-sa365n-1-dauphin): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/88-08-03/models.md
Every aircraft: https://openairdocs.org/ad/88-08-03/aircraft.md

Its text cites no advisory circulars or STCs.

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