As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP FAIL CAUTION MESSAGE APPEARED 20 MIN AFTER DEPARTURE. REMOVED AND REPLACED LT BPSU. RIGGED LEFT AND RIGHT BPSU IAW MM 27-51-10. FOUND FECU POTENTIOMETER OUTSIDE LIMIT. ADJUSTED FECU POTENTIOMETERS. REMOVED AND REPLACED FLAP CONTROL LEVER PER CRJ MM 27-51-00. OPS CHECK OF FLAP CONTROL LEVER GOOD. FLAP OPS CHECK GOOD. P/N: 7-45500-1 S/N OFF: 0470.