What was found
(CAN) JUST AFTER TAKEOFF THE PILOT OBSERVED AN UNCOMMANDED REDUCTION OF ENGINE POWER TO CLIMB SETTINGS. UPONTHE RETURN APPROACH TO THE AIRPORT THE POWER WAS REDUCED THEN FOUND TO BE UNRESPONSIVE TO POWER LEVER COMMANDS. THE AIRCRAFT LANDED SAFELY, TAXIED TO THE TERMINAL AND SHUTDOWN.MAINTENANCE PERSONNEL ATTEMPTED A GROUND START, REVEALING THE ENGINE WOULD NOT ACCELERATE PAST 31% NG WITH A STABALIZED ITT OF 585 DEGREES C. TESTING OF THE FUEL CONTROL UNIT IS BEING CARRIED OUT BY WOODWARD AT THE PRATT & WHITNEY PLANT IN MONTREAL, WITH REPS FROM PILATUS BUSINESS AIRCRAFT USA AND TSB CANADA.TC: P&WC TRI ANNUAL MEETING HELD NOVEMBER 2000, INVESTIGATIONIS ONGOING - -CONTAMINATION SUSPECTED.