As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER LANDING WITH FLAPS SELECTED TO 45 DEGREES, THE CREW SELECTED FLAPS FROM 45 TO 20 DEGREES AND THE FLAPS DID NOT MOVE. CAPTAIN PUT THE FLAPS BACK TO 45 DEGREES. FECU (FLAPS ELECTRONIC CONTROL UNIT) CODES RETRIEVED BY MAINTENANCE POINTED OUT TO THE FLAP CONTROL LEVER WHICH WAS REPLACED. (TC NR 20070208001)