# AD 85-10-04: Fire Extinguishing System

- Type: Airworthiness directive
- Status: Current
- Products: Aerospatiale Nord 262A Series
- Effective: June 24, 1985
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-5066
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E9E2DC0DC5B7328686256982006FDCF5.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/85-10-04

## The airworthiness directive

85-10-04 AEROSPATIALE (SUD NORD): Amendment 39-5066. Applies to Nord 262A series airplanes, certificated in all categories and equipped with MARTIN type engine fire extinguishing system. Compliance required within 300 hours time in service or 6 months, whichever occurs first, after the effective date of this AD. To prevent failure of the MARTIN type engine fire extinguishing system, accomplish the following, unless previously accomplished:

A. Replace non-return valves, MARTIN type 12-09-21950 or ABG SEMCA Ref. 821950, in accordance with Aerospatiale N262 Fregate Service Bulletin No. 26-12, dated November 5, 1984.

B. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.

This amendment becomes effective June 24, 1985.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A6EU](https://openairdocs.org/tcds/A6EU) (historical): Aerospatiale (Societe Nationale Industrielle Aerospatiale); names 1 of 1 models: Nord 262A Series

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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