What was found
DURING THE DESCENT, PILOTS NOTICE OIL PRESSURE LOW ON LT ENGINE AND CONTINUE SLOWLY DROPPING. PILOT TOOK IMMEDIATE ACTION CHECKING THE EMERGENCY PROCEDURE FOLLOWED BY SHUTTING DOWN THE LT ENGINE AND DIVERTED TO THE NEAREST AIRPORT AND DECLARE AN EMERGENCY. ON THE GROUND, TROUBLESHOT THE PROBLEM AND FOUND DEFECTIVE O-RING ON OIL CAP THAT CAUSES THE LOOSE OF OIL. FURTHER INSPECTION WAS DONE, RECOMMENDED AND IAW MM. NO MAJOR DAMAGE FOUND. INSTALLED NEW O-RING AND SERVICED , RUN ENGINE. GROUND OPERATIONAL CHECK, ALL PARAMETERS ARE WITHIN LIMITS. (K)