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AD/RB211/43 - Engine - IP Compressor Rotor and IP Turbine Discs
Rolls Royce Turbine Engines - RB211 SeriRolls Royce Turbine Engines - RB211 Series
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Rolls Royce Turbine Engines - RB211 Series
| AD/RB211/43 | Engine - IP Compressor Rotor and IP Turbine Discs | 7/2012 |
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| Applicability: | RB211-524 engines installed in Boeing 747, 767 and Lockheed L-1011 aircraft as specified in the requirement document. |
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| Requirement: | Withdraw from service any IP compressor rotor drum and IP turbine discs which have been subjected to N2 overspeed as specified in Rolls-Royce Service Bulletin No. 72‑5887 Revision 4 dated September 25, 1998 or later approved revision.Note: UK CAA AD G-009-06-82 refers. |
| Compliance: | Following N2 overspeed as specified in the requirement document. |
| This Airworthiness Directive becomes effective on 30 April 2012. | |
| Background: | CASA has reviewed state-of-design ADs applicable to RB211 engines and decided G-009-06-82 should be explicitly mandated for Australian aircraft. |
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Charles Lenarcic
Delegate of the Civil Aviation Safety Authority
4 April 2012