AD/RB211/7 - Low Pressure Compressor Rotor (Fan) Shafts Inspection
1AD/RB211/7 - Low Pressure Compressor Rotor (Fan) Shafts Inspection
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Rolls Royce Turbine Engines - RB211 Series
AD/RB211/7 Low Pressure Compressor Rotor (Fan) Shafts Inspection
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Applicability: RB211-524B3-02, -524B4-02 and -524D4-19 engines and variants incorporating LP compressor rotor shaft/ shaft assemblies part numbers LK75179, LK75180, LK75181 or LK87852.
Document: Rolls Royce RB211 Alert Service Bulletin RB211-72-A6820, Rev. 1. Compliance: In accordance with the requirement document.
Background: Inspection of a new L.P. compressor shaft at Rolls Royce revealed a circumferential crack in an outside radius of the stepped part of the shaft. The crack may be associated with a heat treatment process and this Directive is issued to require certain suspect shafts to be inspected.