AD 82-12-05

82-12-05 ROLLS-ROYCE, LTD.: Amendment 39-4398. Applies to Rolls-Royce, Ltd., RB211-22B and -524 series turbofan model engines.

Compliance required as indicated unless already accomplished.

To preclude possible loss of the fan assembly, install the Rolls-Royce axial fan retention modification as specified in Rolls-Royce Service Bulletin 72-6574, Revision 2, dated March 19, 1982, or later revision approved by the FAA, applicable to RB211-22B, -524B-02, -524B2-19, -524B2-39, and -524C2-19 engines and as specified in Rolls-Royce Service Bulletin 72-6576, Revision 2, dated March 19, 1982, or later revision approved by the FAA, applicable to RB211-524B3-02, -524B4-02, and -524D4-19 engines in accordance with the following schedule:

1. Center (fuselage mounted) engines on Lockheed L1011 aircraft by September 30, 1982.

2. Wing mounted engines on Lockheed L1011 and Boeing B747 by December 31, 1982.

All persons affected by this directive who have not already received the referenced service bulletins from the manufacturer may obtain copies upon request to Technical Publications Department, Rolls-Royce, Ltd., P.O. Box 31, Derby, England DE2 8BJ. This document may also be examined at Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803. A historical file on this AD is maintained by the FAA at the New England Regional Office.

Upon request of the operator, an FAA Maintenance Inspector, subject to prior approval of the Chief, Aircraft Certification Division, FAA, New England Region, may adjust the compliance date(s) specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiating data to justify the adjustment for that operator.

This amendment becomes effective June 7, 1982.