As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLAPS FAIL CAUTION MESSAGE ILLUMINATED ON SHORT FINAL WITH FLAPS AT 45 DEGREES. MAINTENANCE CHECKED THE FLAP ELECTRONIC CONTROL UNIT AND SKEW DETECTION SYSTEM FOR CODES IAW RJ-SL-27-84. SYSTEM FAULTS CLEARED. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.