What was found
IN THE DESCENT THROUGH 10,000 FT, BOTH CREW NOTICED LT OIL PRESSURE INDICATOR TURNED AMBER AS OIL PRESSURE DECREASED. RAN THE CHECKLISTS, OIL PRESSURE CONTINUED TO DECREASE UNTIL TURNING RED & RED OIL PRESSURE LOW L CAS MESSAGE APPEARED. DID A PRECAUTIONARY ENGINE SHUTDOWN AS INSTRUCTED BY APPROPRIATE CHKLST & DIVERTED SAFELY TO BDL. OIL IS SEEN LEAKING OUT OF ENG COWLING & TRAILING BEHIND ONTO THE FUSELAGE AND TAIL. REMOVED AND REPLACED HMU PAD SEAL. OPS CHECK GOOD. IAW EMM 05-50-01, 72-60-01 AND 71-00-00.