What was found
(CAN) AFTER LANDING, CREW WERE UNABLE TO RETRACT FLAPS, STUCK AT 41 DEGREES. FLT CANCELLED AS A RESULT. EXPECT TO FERRY AC. CODES RETRIEVED: 1)FECU/BPSU 2)ETHER BPSU 3)WIRING, AC RETRIEVED CODES, FORWARDED TO TECH. CARRIED OUT ACTION PLAN 168 AND ALL WIRING RANG OUT OK. FLAPS WERE CYCLED 5 TIMES IN HANGAR WITH NO FAULTS NOTED. PERFORMED A LOW TEMP TORQUE CHECK OF THE ACTUATORS AND REPORT FAILED UNITS. TAIL 168 FLAP ACTUATOR FREEZE TORQUE CHECK COMPLETED AND RESULTS AS FOLLOWS: LT IB FLAP, IB ACT FAILED, C NR 5275305 LT IB FLAP, OB ACT PASSED LT OB FLAP, IB ACT FAILED, C NR 5275306 LT OB FLAP, OB ACT FAILED, C NR 5275308 RT IB FLAP, IB ACT PASSED RT IB FLAP, OB ACT FAILED, C NR 5275305 RT OB FLAP, IB ACT FAILED, C NR 5275307 RT OB FLAP, OB ACT FAILED, C NR 5275309 ALL IB AND OB FLAP ACTUATORS REPLACED, SAFETIED AND RIGGED. A TEST FLIGHT IS SCHEDULED FOR TODAY. INFORMATION WILL BE UPDATED AS SOON AS IS AVAILABLE. (TC NR 20071227001)