What was found
DISASSEMBLY OF ENGINE REVEALED METAL IN BOTTOM OF GEARBOX ASSY. INSPECTION REVEALED IDLER GEAR TO HAVE ONE EACH NUT MISSING FROM ASSY BOLTS AND 3 EACH NUTS EITHER DAMAGED OR PARTIALLY MISSING PIECES. TORQUE ON SEVERAL REMAINING BOLTS WERE LOOSE. SUBMITTER RECOMMENDED RE-TORQUE OF1,200 HOUR INTERVAL CHECKS. REPLACED ANY LOOSE NUTS AND BOLTS. NUT P/N: MS21043-5. BOLT P/N: 4-081-119-04. ENGINE TT: 2,943.8 HOURS.