89-10-09 AEROSPATIALE: Amendment 39-6206.
Applicability: All Model ATR42-200 and -300 series airplanes, certificated in any category.
Compliance: Required as indicated, unless previously accomplished.
To prevent loss of a main landing gear wheel due to defective bearings, accomplish the following:
A. Within 30 days after the effective date of this AD, inspect outboard bearings, Part Number (P/N) L910349, of the Loral main landing gear wheels, Loral P/N 5006856, 5006856-1, 5006856-2 and 5006856-3, and replace those having a "JV" date code, in accordance with Aerospatiale Service Bulletin ATR42-32-0018, Revision 2, dated November 15, 1988, and Loral Service Bulletin ATR42-32-40-8. Perform torqueing of the main gear axle nut, in accordance with Loral Service Bulletin ATR42-32-40-7.
B. 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, StandardizationBranch, ANM-113, FAA, Northwest Mountain Region.
NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who may add any comments 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 for the accomplishment of inspections and/or modifications required by 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 Route de Bayonne, 31060 Toulouse, Cedex 03, France. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or at the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.
This amendment (39-6206, AD 89-10-09) becomes effective on June 9, 1989.