# AD 80-18-02: Pitch Trim System

- Type: Airworthiness directive
- Status: Current
- Products: Airbus A300 B2-1A, A300 B2-1C, A300 B2-203, A300 B2K-3C, A300 B4-103, A300 B4-203 and A300 B4-2C
- Effective: September 4, 1980
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-3899
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/574EECF209324E508625695A0043393B.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/80-18-02

## The airworthiness directive

80-18-02 GROUPEMENT d'INTERET ECONOMIQUE (AIRBUS INDUSTRIE): Amendment 39-3899. Applies to Model A300 series airplanes, certificated in all categories.

Compliance is required as indicated.

To prevent incorrect pitch trim control operation which could result in pitch trim control runaway and possible loss of control of the airplane, accomplish the following:

  (a) Before each flight, check the pitch trim system in accordance with the instructions in paragraph 2, "ACCOMPLISHMENT INSTRUCTIONS," of Airbus Industrie Service Bulletin No. A300-22-024, Revision No. 4, dated August 30, 1976, or an FAA-approved equivalent, on airplanes in which the modifications required by paragraph (b) of this AD have not been incorporated.

  (b) Within the next 750 hours time in service after the effective date of this AD, unless already accomplished, modify the trim handwheel and the wiring between the electronic rack 80VU/STA 1380 and the flight compartment overhead panel, and replace the trim engage unit in accordance with the instructions in paragraph 2, "ACCOMPLISHMENT INSTRUCTIONS," of Airbus Industrie Service Bulletin No. A300-22-025, Revision No. 4, dated May 23, 1979, or an FAA-approved equivalent.

  (c) After accomplishing the modifications required by paragraph (b) of this AD, comply with the following:

  (1) At intervals not to exceed 2,000 hours time in service from the last inspection, perform the operational inspection in accordance with paragraph 3.A. of Airbus Industrie Service Bulletin No. A300-22-025, Revision No. 4, dated May 23, 1979, or an FAA- approved equivalent.

  (2) At intervals not to exceed 6,000 hours time in service from the last inspection, perform the functional inspection in accordance with paragraph 3.B of Airbus Industrie Service Bulletin No. A300-22-025, Revision No. 4, dated May 23, 1979, or an FAA-approved equivalent.

  (d) After the modifications required in paragraph (b) of this AD have been accomplished, compliance with paragraph (a) of this AD is no longer required.

  (e) If an equivalent means of compliance is used in complying with paragraphs (a), (b), and (c), that equivalent must be approved by the Chief, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, Brussels, Belgium.

This amendment becomes effective September 4, 1980.

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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