AD 91-14-06

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AD Number:
91-14-06
Document Type:
AD Final Rules
Docket Number:
91-NM-39-AD
Subject Heading:
Airworthiness Directives; AEROSPATIALE Model ATR42 Series Airplanes
Subject:
Nose Landing Gear Selector Valve
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/29/1991
Make:
ATR - GIE Avions de Transport R gional
Model:
ATR42-200 | ATR42-300 | ATR42-320 | ATR42-500 | ATR72-101 | ATR72-102 | ATR72-201 | ATR72-202 | ATR7...Show more
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
Corrected 11/19/2010: This AD is applicable to the ATR-72 series, but those models were not selected...Show more
AIRWORTHINESS DIRECTIVES FINAL RULES: 91-14-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-NM-39-AD

AMENDMENT:   39-7047

AD NUMBER:   91-14-06

SUBJECT HEADING:   Airworthiness Directives; AEROSPATIALE Model ATR42 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 29, 1991.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
91-14-06 AEROSPATIALE: Amendment 39-7047. Docket No. 91-NM-39-AD.

Applicability: Model ATR42 series airplanes, Serial Numbers 3 though 157; and ATR72 series airplanes, Serial Numbers 126 through 150; certificated in any category.

Compliance: Required within 180 days after the effective date of this AD, unless previously accomplished.

To prevent loss of nose wheel steering, accomplish the following:

A. Modify the nose landing gear steering selector valve in accordance with Messier- Hispano-Bugatti Service Bulletin 631-32-036, Revision 1, dated May 14, 1990; and Aerospatiale Service Bulletin ATR42-32-0025, Revision 1 dated January 15, 1990, or Revision 2, dated January 30, 1991, or Aerospatiale Service Bulletin ATR72-32-1001, dated April 25, 1990, as applicable.

B. An alternative method 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, Transport Airplane Directorate.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PI), 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 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 Aerospatiale, 316 Rue de Bayonne, 31060 Toulouse, Cedex 03, France. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington.

This amendment (39-7047, AD 91-14-06) becomes effective on July 29, 1991.

FOOTER: