What was found
(CAN) AIRCRAFT FLAPS FAIL. DURING EVENING MAINTENANCE RUN 10:14 UTC FLAP SELECTED AND FAILED TO MOVE, OAT -31 RESET FLAP FAULT AND SET FLAPS TO 8 DEGREES AS RJ-SL-27-077 FOR FERRY FOR ACTUATOR REPLACEMENT FURTHER MTC ACTIONS TO FOLLOW TRAX DEFECT NR 815755-RT NR 1, NR 2, NR 3, AND NR 4 FLAP ACTUATORS REPLACED AND MECHANICALLY RIGGED IAW AMM 27-53-01 AND 27-53-05. LT NR 1, NR 2, NR 3, AND NR 4 FLAP ACTUATORS REPLACED AND MECHANICALLY RIGGED IAW AMM27-53-01 AND 27-53-05. NR-002 RT OUTBOARD (NR 5) FLAP FLEX DRIVE ASSY REPLACED. DUE TO DAMAGED DRIVE END. RESOLVED ON W/O: 172321 TASKCARD: NR-00001) REMAINDER OF FLAP SYSTEM RE-ASSEMBLED AS PER AMM. BPSUS RIGGED IAW AMM 27-51-10. FLAPS FUNCTION CHECKED, FOUND SERVICEABLE. (TC NR 20081212014)