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Airworthiness Directives (ADs)

CAA-2006-09-015

The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.

Issue Date
2006/10/04
Applicability
This AD applies to Rolls-Royce Corporation (RRC) models 250- C30, -C30G, -C30G/2, -C30M, -C30P, -C30R, -C30R/1, -C30R/3, -C30R/ 3M, -C30S, -C30U, -C40B, -C47B, and -C47M turboshaft engines, with a third-stage turbine wheel, part number (P/N) 6898663 or P/N 23065843 installed, or a fourth-stage turbine wheel, P/N 6892764 or P/N 23066744, installed. These engines are installed on, but not limited to, Bell 206L-3, Bell 206L-4, Bell 230, Bell 407, Bell 430, MDHI 369F, MDHI 369FF, MDHI 600N, and Sikorsky S-76A helicopters.
Model Number
Rolls-Royce Corporation Models 250-C30, 250-C40, and 250-C47 Series Turboshaft Engines
CAA AD Number
CAA-2006-09-015
Aeronautics Authority of Original AD
FAA
Original AD Number
2006-20-07
Effective Date
2006/11/02
Subject
To prevent loss of power, possible engine shutdown, or uncontained engine failure.
Reference Publications (Revision/ATA/SB)
Rolls-Royce Corporation Alert Commercial Engine Bulletins No. CEB A-72-3272, No. CEB A-72-5048, and No. CEB A-72- 6054 (combined in one document), all Revision 2.
Remarks
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