As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON CLIMB OUT CREW REPORTED A LOUD THUMP FOLLOWED BY A DROP IN LT ENGINE OIL PRESSURE AND AN AIRFRAME VIBRATION. CREW SHUT DOWN THE ENGINE DELARED AN EMERENCY AND RETURNED TO AIRPORT. LT ENGINE REMOVED AND LOANER INSTALLED. (TC NR 20060106001)