What was found
MASSIVE OIL LOSS DURING FLIGHT. ACFT LANDED ON HYW 17. ACFT LOADED ONTO TRANSPORT AND RELOCATED. INSP REVEALED ENG PLUG PN LW-13896 HANGING FROM LOCKING. PROPELLER GOVERNER IDLER SHAFT FOUND MISSING. PN LW-14021 IDLER GEAR PN LW-10541 FOUND FLOATING INSIDE ENGINE CASE CAVITY. LOCAL SUPPORT CONTACTED. SERVICE INSP 134313 MAY NOT HAVE BEEN COMPLETED AT LAST O/H. ENG REMOVED FOR SHIPMENT TO USA REPAIR FACILITY. NOTE: ENG WAS NOT SHUTDOWN UNTIL AIRCRAFT HALTED. RAN APPROX 3 MINUTES WITH NO OIL PROCESS INDICATED.