# AD 92-09-01: Rear Upper Cowl

- Type: Airworthiness directive
- Status: Current
- Products: ATR - GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320, ATR72-101, ATR72-102, ATR72-201, ATR72-202, ATR72-211, ATR72-212 and ATR72-212A
- Effective: May 8, 1992
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-8226
- Docket: 92-NM-66-AD
- Registered aircraft: 52 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D5FEFA7674A3DA5386256982006FF50C.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/92-09-01

## The airworthiness directive

92-09-01 AEROSPATIALE: Amendment 39-8226. Docket No. 92-NM-66-AD.

Applicability: Model ATR42-200 and -300 series airplanes, as listed in Aerospatiale Service Bulletin ATR42-76-0009, Revision 1, dated December 5, 1991; and Model ATR72-100 and -200 series airplanes, as listed in Aerospatiale Service Bulletin ATR72-76-1002, Revision 1, dated December 5, 1991; certificated in any category.

Compliance: Required within 60 days after the effective date of this AD, unless accomplished previously.

To prevent the crew's inability to increase or decrease engine power, accomplish the following:

  (a) Install a heat deflector on the rear upper cowl, and a thermal bridge between the teleflex controls and the air conditioning duct, in accordance with Aerospatiale Service Bulletin ATR42-76-0009, Revision 1, dated December 5, 1991; or Aerospatiale Service Bulletin ATR72- 76-1002, Revision 1, dated December 5, 1991; as applicable.

  (b) An alternative method of compliance oradjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. The request shall be forwarded through an FAA Principal Maintenance Inspector, who may 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 the airplane to a location where the requirements of this AD can be accomplished.

  (d) The installations shall be done in accordance with Aerospatiale Service Bulletin ATR42-76-0009, Revision 1, dated December 5, 1991; or Aerospatiale Service Bulletin ATR72- 76-1002, Revision 1, dated December 5, 1991; as applicable. These service bulletins include the following list of effective pages:

Service Bulletin Page Revision Number Date

1-6, 8-12, 15-17 1 December 5, 1991 ATR42-76-0009, Revision 1 7, 13-14, 18 Original April 11, 1991

1-2, 6-10, 13-14 1 December 5, 1991 ATR72-76-1002 Revision 1 3-5, 11-12, 15-16 Original April 11, 1991

This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC.

  (e) This amendment becomes effective on May 8, 1992.

## 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 10 of 11 models: ATR72-202, ATR72-101, ATR72-212A, ATR72-212, ATR42-300, ATR42-320, ATR72-211, ATR72-102…

## 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: 52 (52 by airframe model, 0 by engine model)
- Makers: Aerospatiale/Aeritalia 17, Atr-Gie Avions De Trnsp Rgnl 15, Aerospatiale 9, Aerospatiale/Alenia 5, ATR 3, Aerospatiale/Atr 2, Atr-Gie Avions De Transport 1

Models with the most aircraft:

- [Atr-Gie Avions De Trnsp Rgnl ATR 72-212A](https://openairdocs.org/model/atr-gie-avions-de-trnsp-rgnl-atr-72-212a): 14 aircraft (airframe model)
- [Aerospatiale/Aeritalia ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300): 12 aircraft (airframe model)
- [Aerospatiale ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212): 9 aircraft (airframe model)
- [Aerospatiale/Aeritalia ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320): 4 aircraft (airframe model)
- [Aerospatiale/Alenia ATR-72-212](https://openairdocs.org/model/aerospatiale-alenia-atr-72-212): 3 aircraft (airframe model)
- [ATR ATR72-212A](https://openairdocs.org/model/atr-atr72-212a): 3 aircraft (airframe model)
- [Aerospatiale/Atr ATR 72 202](https://openairdocs.org/model/aerospatiale-atr-atr-72-202): 2 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)
- [Aerospatiale/Aeritalia ATR72-212](https://openairdocs.org/model/aerospatiale-aeritalia-atr72-212): 1 aircraft (airframe model)

All 11 models: https://openairdocs.org/ad/92-09-01/models.md
Every aircraft: https://openairdocs.org/ad/92-09-01/aircraft.md

Its text cites no advisory circulars or STCs.

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