# AD 86-22-02: Horizontal Stabilizer Mounting Bolts

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and DC-9-87 (MD-87)
- Effective: November 14, 1986
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-5436
- Registered aircraft: 86 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FE5CC98EE40EBAAB862569F2006C023A.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/86-22-02

## The airworthiness directive

86-22-02 MCDONNELL DOUGLAS: Amendment 39-5436. Applies to McDonnell Douglas Model DC-9-80 series airplanes, Fuselage Numbers 1218 through 1249, certificated in any category.

Compliance required as indicated unless previously accomplished.

To prevent potential stress corrosion failure of the horizontal stabilizer actuator mounting bolts and subsequent damage to adjacent structure, within 1,400 hours time in service, or within 6 months, whichever occurs earlier, after the effective date of this AD, accomplish the following, unless already accomplished:

A. Remove and replace horizontal stabilizer actuator mounting bolts, left and right sides, in accordance with Paragraph 2, Accomplishment Instructions of McDonnell Douglas DC-9 Service Bulletin 27-278, dated April 3, 1986.

B. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to a base 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, Publications and Training, C1-L65 (54-60). These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington or the Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California.

This Amendment becomes effective November 14, 1986.

## 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 4 of 25 models: 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: 86 (86 by airframe model, 0 by engine model)
- Makers: Mcdonnell Douglas 85, 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 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 5 models: https://openairdocs.org/ad/86-22-02/models.md
Every aircraft: https://openairdocs.org/ad/86-22-02/aircraft.md

Its text cites no advisory circulars or STCs.

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