# AD 78-23-03: Helicopter Control

- Type: Airworthiness directive
- Status: Current
- Products: Airbus Helicopters SA.316C Alouette III and SA.319B Alouette III
- Effective: December 4, 1978
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Amendment: 39-3337
- Registered aircraft: 3 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4C76ABD00296C32D86256A3400475A2A.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/78-23-03

## The airworthiness directive

78-23-03 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS): Amendment 39-3337. Applies to Model SA 316C and 319 Alouette III helicopters, certificated in all categories, that do not incorporate SNIAS Modification AMS 07.2109 (covered in Service Bulletin No. 65.108).

Compliance is required as indicated, unless already accomplished.

To prevent a possible loss of helicopter control, accomplish the following:

  (a) Within the next 50 hours time in service after the effective date of this AD, and, thereafter, at intervals not to exceed 50 hours time in service since the previous inspection, inspect the left-hand and right-hand upper flight control bellcrack support attachment fittings, P/Ns 319A.84.10.118 and 319A.84.10.119, in accordance with Alouette SA316C and 319 Service Bulletin No. 05.57, dated September 29, 1975, or an FAA-approved equivalent (hereinafter referred to as Service Bulletin).

  (b) If a crack is found during an inspection required by paragraph (a)of this AD, replace the affected part with a new fitting, P/N 319A.84.10.120 or 319A.84.10.121, as appropriate, in accordance with the Service Bulletin before further flight, except that the helicopter may be flown in accordance with FAR 21.197 and 21.199 to a base where the work can be performed.

  (c) The inspections required by paragraph (a) of this AD may be discontinued upon the installation of new fittings, P/Ns 319A.84.10.120 and 319A.84.10.121, in accordance with the Service Bulletin.

This amendment becomes effective December 4, 1978.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS H1IN](https://openairdocs.org/tcds/H1IN): Airbus Helicopters; names 2 of 5 models: SA.316C Alouette III, SA.319B Alouette III

## 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: 3 (3 by airframe model, 0 by engine model)
- Makers: Aerospatiale 3

Models with the most aircraft:

- [Aerospatiale SA319B ALOUETTE III](https://openairdocs.org/model/aerospatiale-sa319b-alouette-iii): 3 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/78-23-03/models.md
Every aircraft: https://openairdocs.org/ad/78-23-03/aircraft.md

Its text cites no advisory circulars or STCs.

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