As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LBB - FLT 3573 - ON APPROACH CREW RECEIVED FLAP FAIL MSG WITH ASSOCIATED FLAP JAM ON CMC. TROUBLESHOT SYSTEM AND FOUND THE LEFT OUTBAORD ANGLE DRIVE WHEN PUT IN A VERY COLD FREEZING STATE WOULD BIND UP. REPLACED ANGLE DRIVE GEAR BOX. AIRCRAFT RETURNED TO SERVICE. (M)