AD/CT7/3 - Compressor Modification, Power Lever Control Adjustment And Engine Inspection Procedure
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
View image in the official source General Electric Turbine Engines - CT7 Series
AD/CT7/3 Compressor Modification, Power Lever Control Adjustment And Engine Inspection Procedure
Applicability: CT7-5A, -5A1, -7, -7A, -7E, -7E1 engines.
Requirement: Action in accordance with Swedish Airworthiness Directive SAD No. 1-003.
Saab-Scania AB SB SF340-72-003.
General Electric SB (CT7-TP) 72-35 Rev 1. General Electric OEB No. 4 Rev 1.
9/85
Compliance: As detailed in the Requirement Documents.
Background: This Directive has been raised to require compliance with General Electric SB (CT7- TP) 72-35R1 and General Electric OEB No. 4 Rev 1. The documents detail modifications to the compressor, adjustment of the engine controls and repetitive inspection procedures which are required following investigation of a series of compressor failures experienced by CT7 engines fitted to SF340 aircraft.