# AD 89-14-05: Engine Oil Pressure Manifold

- Type: Airworthiness directive
- Status: Current
- Products: ATR - GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and ATR42-500
- Effective: July 5, 1989
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-6244
- Registered aircraft: 28 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BD26C51D4261A9DE86256982006FE825.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/89-14-05

## The airworthiness directive

89-14-05 AEROSPATIALE: Amendment 39-6244.

Applicability: Model ATR42 series airplanes, Serial Numbers 003 through 138, certificated in any category.

Compliance: Required within 10 days after the effective date of this AD, unless previously accomplished.

To prevent loss of engine oil and engine shutdown, accomplish the following:

A. Replace and lockwire the drain plug and adjacent locknut on the engine oil pressure manifold, in accordance with Aerospatiale Service Bulletin ATR42-79-0006, Revision 1, dated April 18, 1989.

B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment and then send it to the Manager, Standardization Branch, ANM-113.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

All persons affected by this directive who have not already received the appropriate service information from the manufacturer may obtain copies upon request to Aerospatiale, 216 Route de Bayonne, 31060 Toulouse, Cedex 03, France. This information may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or the Standardization Branch, 9010 East Marginal Way South, Seattle, Washington.

This amendment (39-6244, AD 89-14-05) becomes effective on July 5, 1989.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A53EU](https://openairdocs.org/tcds/A53EU): ATR – GIE Avions de Transport Régional; names 4 of 11 models: ATR42-300, ATR42-320, ATR42-200, ATR42-500

## 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: 28 (28 by airframe model, 0 by engine model)
- Makers: Aerospatiale/Aeritalia 16, Atr-Gie Avions De Trnsp Region 6, Aerospatiale/Alenia 3, Atr-Gie Avions De Transport 1, Atr-Gie Avions De Trnsp Rgnl 1, Eads/Alenia ATR 1

Models with the most aircraft:

- [Aerospatiale/Aeritalia ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300): 12 aircraft (airframe model)
- [Atr-Gie Avions De Trnsp Region ATR42-500](https://openairdocs.org/model/atr-gie-avions-de-trnsp-region-atr42-500): 6 aircraft (airframe model)
- [Aerospatiale/Aeritalia ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320): 4 aircraft (airframe model)
- [Aerospatiale/Alenia ATR 42-320](https://openairdocs.org/model/aerospatiale-alenia-atr-42-320): 2 aircraft (airframe model)
- [Atr-Gie Avions De Transport ATR-42-320](https://openairdocs.org/model/atr-gie-avions-de-transport-atr-42-320): 1 aircraft (airframe model)
- [Atr-Gie Avions De Trnsp Rgnl ATR 42-300](https://openairdocs.org/model/atr-gie-avions-de-trnsp-rgnl-atr-42-300): 1 aircraft (airframe model)
- [Eads/Alenia ATR ATR 42-500](https://openairdocs.org/model/eads-alenia-atr-atr-42-500): 1 aircraft (airframe model)
- [Aerospatiale/Alenia ATR42-500](https://openairdocs.org/model/aerospatiale-alenia-atr42-500): 1 aircraft (airframe model)

All 8 models: https://openairdocs.org/ad/89-14-05/models.md
Every aircraft: https://openairdocs.org/ad/89-14-05/aircraft.md

Its text cites no advisory circulars or STCs.

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