As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB #1 ENGINE HIGH OIL PRESSURE MASTER WARNING. TEMP WENT TO 123 DEGREES. PERFORMED A INFLIGHT SHUTDOWN OF THE #1 ENGINE AND RETURNED TO THE FIELD. CREW REPORTS A SMOKE HAZY THROUGHOUT THE AITRCRAFT CABIN AFTER THE SHUTDOWN. LANDING WAS UNEVENTFUL. ENGINE REPLACED DUE TO NL SHAFT SHEARED AND FIRST STAGE COMPRESSOR DIFFICULT TO TURN. PERFORMED TASK 21-00-00-160-801 FOR REMOVAL OF ODOR FROM THE AIR CONDITIONING DUCTS. CHECKS GOOD.