As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A REPAIR WAS GENERATED TO CORRECT FOR A POSSIBLE METAL TO METAL CHAFING PROBLEM. AN INSPECTION REVEALED THAT THE UPPER AFT EDGE OF THE FORWARD FUEL TANK INTERFERES WITH THE FORWARD LOWER CORNERS OF THE FLAP DRIVE MOTOR SHOCK MOUNT SUPPORTS HAT SECTIONS. PROBABLE CAUSE: MANUFACTURE ENGINEERING AND QUALITY CONTROL.