COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/RB211/28 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.
Rolls Royce Turbine Engines – RB211 Series
AD/RB211/28
Amdt 1
Engine Mounts 6/2001 DM
Applicability: RB211-535E4 engine models as detailed in Rolls Royce Service Bulletin RB.211-71- 5291 Revision 14.
Requirement: Disassemble, inspect and refurbish the engine mounts in accordance with the procedures detailed in Rolls Royce Service Bulletin RB.21-71-5291 Revision 14.
Note 1: CAA (UK) AD 004-08-2000 refers.
Compliance: Engines with cycles in service greater than 5,000 cycles since new; at next engine shop visit after the effective date of this Directive and thereafter at intervals not to exceed 36,000 hours or 12,000 cycles, whichever occurs first.
This Amendment becomes effective on 2 May 2001.
Note 2: This amendment has been issued before the issue date of the original issue of this Directive in response to the late receipt of Revision 14 of the requirement document.
Background: This Directive was originally issued in response to reports of cracks and corrosion being found in RB211 engine mounts. This amendment reflects the manufacturer’s latest revision to the requirement document. Revision 14 of SB 71-5291 details, in part, a 5,000 cycles since new threshold for compliance.
The original issue of this Airworthiness Directive was to become effective on 17 May 2001.
Eugene Paul Holzapfel
Delegate of the Civil Aviation Safety Authority 11 April 2001
The above AD is notified in the Commonwealth of Australia Gazette on 26 April 2001.
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