What was found
(CAN) BEARING FAILURE ON ACCESSORY GEARBOX VACUUM PUMP DRIVE (HOLLOW) SHAFT. THE BEARINGS (BUSHINGS) WERE FOUND SEIZED TO THE DRIVESHAFT AND BEARING -EXCESSIVE HEAT THRU FRICTION WAS THEN CREATED AND CAUSEDTHE ALUMINUM PLUG LOCATED INSIDE THE SHAFT TO MELT, WHICH THEN ALLOWED THE ACCESSORY GEARBOX OIL TO BE EXHAUSTED OVERBOARD. ENGINE LOST 8 GALLONS OF OIL IN 20 MINUTES, 3-4 MINUTES LONGER & THE ENGINE WOULD HAVE BEEN TOTALLY STARVED FOR OIL.THIS IS THE THIRD KNOWN FAILURE OF THIS PART IN AREA.