As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN PROCESS OF ACCOMPLISHING 200-HOUR INSPECTION AND SERVICE OF FLAPS, FOUND THAT SCREW HAD BEEN INTERFERRING WITH AFT FLAP BELLCRANK. PARTS MANUAL CALLS FOR SHORTER SCREWS IN SEVERAL LOCATIONS OF COVER PANEL, HOWEVER, PANEL ITSELF IS NOT MARKED. RECOMMEND IMMEDIATE INSPECTION OF PUSHROD AND BELLCRANK (ON BOTH FLAPS) AND PLACARD SPECIFIC SCREW HOLES.