# AD 90-02-01: Elevator Control Cables & Water Pipe Assembly

- Type: Airworthiness directive
- Status: Current
- Products: BAE Systems BAe 146-100A, BAe 146-200A and BAe 146-300A
- Effective: January 22, 1990
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-6460
- Docket: 89-NM-255-AD
- Registered aircraft: 8 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/97E097F9B36239CF86256A1D0062A87F.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/90-02-01

## The airworthiness directive

90-02-01 BRITISH AEROSPACE: Amendment 39-6460. Docket No. 89-NM-255-AD. Applicability: Model BAe-146 series airplanes, Serial Numbers up to and including E3125, equipped with a rear left modular toilet (BAe Modifications HCM00344A and HCM30102C), certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent damage to or jamming of the flight controls, accomplish the following:

A. Within 14 days after the effective date of this AD, perform an inspection of the elevator control cables and the water pipe assembly in the vicinity of Frames 42 and 44, in accordance with British Aerospace Service Bulletin 27-A105, dated November 7, 1989.

1. If chafing or damage is found, repair and modify prior to further flight, in accordance with the service bulletin.

2. If the clearance between the water pipe assembly and the elevator control cable is not greater than 0.25 inch, modify within 60 days after the effective date of this AD, in accordance with the service bulletin.

B. Repeat the procedures required by paragraph A., above, whenever a rear left-hand modular toilet is removed and reinstalled.

C. 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.

D. 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 British Aerospace, PLC, Librarian for ServiceBulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041. 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 (39-6460, AD 90-02-01) becomes effective on January 22, 1990.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A49EU](https://openairdocs.org/tcds/A49EU): BAE Systems (Operations) Limited; names 3 of 6 models: BAe 146-300A, BAe 146-100A, BAe 146-200A

## 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: 8 (8 by airframe model, 0 by engine model)
- Makers: British Aerospace 8

Models with the most aircraft:

- [British Aerospace BAE 146 SERIES 200A](https://openairdocs.org/model/british-aerospace-bae-146-series-200a): 8 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/90-02-01/models.md
Every aircraft: https://openairdocs.org/ad/90-02-01/aircraft.md

Its text cites no advisory circulars or STCs.

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