As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION OF FLAP COMPONENTS, CORROSION IN THE FLAP BEAM ASSY BORE HOLE WAS DISCOVERED. BOMBARDIER SERVICE ENGINEERING DETERMINED THAT ANY CORROSION IN THE BORE HOLE IS CAUSE FOR REMOVAL AND SCRAP. ALL 6 BEAM ASSEMBLIES (3 EACH WING) WERE REMOVED AND REPLACED WITH UPGRADED PARTS FROM BOMBARDIER.