As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE COMPLETING A 100 HR INSPECTION THE LEADING EDGE SKIN OF FLAP WAS FOUND CRACKED AT ACTUATOR ATTACH POINT.CRACKS EXTENDED INBOARD & OUTBOARD APPROXIMATELY 1INCH FROM THE FORWARD ATTACHMENT HOLE FOR FLAP ACTUATOR. - CRACKS WERE DETECTED AFTER CLEANING FLAPS.- CRACKS WERE ONLY VISIBLE WHILE FLAPS EXTENDED.- CRACKS WERE VISIBLE BEST FROM BELOW LOOKING AFT.