What was found
DURING CRUISE, THE PILOT NOTICED A FLUCTUATION OF THE ENGINE TORQUE INDICATOR. THE FLUCTUATION WAS BETWEEN 50-100 FT/LBS. IMMEDIATELY FOLLOWING THE TORQUE FLUCTUATION, THE OIL PRESSURE DROPPED AND THE OIL TEMPERATURE ROSE. AN EMERGENCY WAS DECLARED AND THE ENGINE POWER WAS REDUCED. DURING THE APPROACH TO THE NEAREST AIRPORT THE OIL PRESSURE INDICATION DROPPED TO ZERO. AFTER A SUCCESSFUL LANDING , THE ENGINE WAS SHUTDOWN. A SUBSEQUENT VISUAL INSPECTION OF THE ENGINE COMPRESSOR INLET AREA BY A MAINTENANCE TECH SHOWED ENGINE OIL ON THE COMPRESSOR BLADES AND OIL DRIPPING OUT OF THE AIR PLENUM. THE TECH SUSPECTS A COMPRESSOR SHAFT BEARING OR SEAL HAD FAILED.