As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON START UP FOR A RE-POSITIONING FLIGHT, THE CAPTAIN WAS ADVISED BY GROUND HANDLERS OF A PROBLEM WITH THE LT ENGINE. THE ENGINE WAS SHUTDOWN AND INSPECTION FOUND THAT A QTY OF OIL FROM ENGINE HAD BEEN LOST. OIL WAS ALSO FOUND IN THE NR 5 BEARING VENT TUBE. TROUBLESHOOTING IS ON-GOING.