# AD 70-17-04: Leaks in Fuel System

- Type: Airworthiness directive
- Status: Current
- Products: SOCATA MS 880B, MS 885 and MS 894A
- Effective: September 12, 1970
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-1066
- Registered aircraft: 31 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DDA9A2C04DA24E2486256A56005BA9B3.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/70-17-04

## The airworthiness directive

70-17-04 MORANE SAULNIER: Amdt. 39-1066. Applies to Models MS. 880B, MS. 885, and MS. 894A airplanes.

To prevent possible fires resulting from leaks in the fuel system, within the next 50 hours' time in service after the effective date of this AD, unless already accomplished, modify the fuel system by installing flexible fuel lines between the engine pump and the carburetor and in the fuel pressure system in accordance with Parts 2 and 3 of SOCATA Service Bulletin No. 56, dated December 1968, or later SGAC-approved issue or an FAA-approved equivalent.

This amendment becomes effective September 12, 1970.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 7A14](https://openairdocs.org/tcds/7A14): Daher; names 3 of 13 models: MS 894A, MS 880B, MS 885

## 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: 31 (31 by airframe model, 0 by engine model)
- Makers: S.O.C.A.T.A. 28, Morane-Saulnier 3

Models with the most aircraft:

- [S.O.C.A.T.A. MS894A](https://openairdocs.org/model/s-o-c-a-t-a-ms894a): 27 aircraft (airframe model)
- [Morane-Saulnier MS880B](https://openairdocs.org/model/morane-saulnier-ms880b): 3 aircraft (airframe model)
- [S.O.C.A.T.A. MS880B](https://openairdocs.org/model/s-o-c-a-t-a-ms880b): 1 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/70-17-04/models.md
Every aircraft: https://openairdocs.org/ad/70-17-04/aircraft.md

Its text cites no advisory circulars or STCs.

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