As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE COMPLETING 100 HR INSPECTION, A CRACK WAS FOUND ON THE RT ENGINE ALTERNATE AIR BOX AT THE FLANGE ATTACHING THE AIR BOX TO THE FUEL SERVO. THE CRACK WAS ON A WELDED FLANGE. THE CRACK WAS VISIBLE FROM THE BOTTOM ONLY. AIR BOX WAS REMOVED AND SENT FOR REPAIR.