What was found
FLT 4474 - DURING A GROUND INSPECTION IN TYS, THE PASSENGER DOOR WAS VERY HARD TO OPEN AND THE UPPER LEFT LOCKING PIN WOULD NOT ENGAGE. MAINTENANCE FOUND THE BOLT, WASHER AND NUT P/N NT113544CM, ON THE UPPER AFT LOCKING PIN CONNECTION ROD TO THE BELL CRANK MISSING. MAINTENANCE REPLACED THE MISSING BOLT, WASHER AND NUT ON THE PASSENGER DOOR AFT LOCKING PIN CONNECTION ROD. OPS CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)