What was found
ENGINE WAS REMOVED FROM ACFT FOR POSSIBLE OVERTEMP OPERATION. CUSTOMER REQUESTED TEST RUN TO NOTE CONDITION PRIOR TO DISASSEMBLY. HIGHT VIBRATION WAS NOTED FROM GEARBOX THAT INDICATED THE HIGH SPEED PINION. ENGINE GEAR BOX WAS DISASSEMBLED AND HIGH SPEED PINION WAS FOUND TO HAVE 1 ROLLER MISSING FROM THE BEARING. THE DIAPHRAGM ASSY INCLUDING THE HIGH SPEED PINION WAS ASSEMBLED BY REPAIR STATION. ON W/O 810230001 DATED 09/17/2002. THE DIAPHRAGM WAS INSTALLED BY ANOTHER REPAIR STATION ON W/O 147640, DATED 11/22/2002.