# AD 89-18-04: Engine Starter Shutoff Valve

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87) and MD-88
- Effective: September 18, 1989
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-6295
- Docket: 89-NM-16-AD
- Registered aircraft: 100 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/641D5AC5790453F9862569F2006FB9C8.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/89-18-04

## The airworthiness directive

89-18-04 MCDONNELL DOUGLAS: Amendment 39-6295. (Docket No. 89-NM-16-AD)

Applicability: McDonnell Douglas Model DC-9-80 (MD-80) series airplanes and Model MD-88 airplanes, as listed in McDonnell Douglas Service Bulletin 80-8, dated November 3, 1988, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent fire in the number 2 engine nacelle, accomplish the following:

A. Within 18 months after the effective date of this AD, relocate the number 2 engine starter shutoff valve pneumatic tube, in accordance with the accomplishment instructions in McDonnell Douglas MD-80 Service Bulletin 80-8, dated November 3, 1988.

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, Los Angeles Aircraft Certification Office, 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, Los Angeles Aircraft Certification Office.

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 documents from the manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director of Publications, C1-LOO (54-60). These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at 3229 East Spring Street, Long Beach, California.

This amendment (39-6295, AD 89-18-04) becomes effective on September 18, 1989.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A6WE](https://openairdocs.org/tcds/A6WE): The Boeing Company; names 5 of 25 models: MD-88, DC-9-81 (MD-81), DC-9-83 (MD-83), DC-9-87 (MD-87), DC-9-82 (MD-82)

## 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: 100 (100 by airframe model, 0 by engine model)
- Makers: Mcdonnell Douglas 99, Douglas 1

Models with the most aircraft:

- [Mcdonnell Douglas DC-9-83(MD-83)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-83-md-83): 49 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-82(MD-82)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82-md-82): 22 aircraft (airframe model)
- [Mcdonnell Douglas MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88): 14 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-87](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87): 13 aircraft (airframe model)
- [Douglas DC-9-83](https://openairdocs.org/model/douglas-dc-9-83): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-87 (MD-87)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87-md-87): 1 aircraft (airframe model)

All 7 models: https://openairdocs.org/ad/89-18-04/models.md
Every aircraft: https://openairdocs.org/ad/89-18-04/aircraft.md

Its text cites no advisory circulars or STCs.

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