As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF, THE PILOT NOTICED A LOW OIL PRESSURE WARNING ON ENGINE NR 1. THE PILOT SHUTDOWN AND SECURED ENGINE AND RETURNED TO ORIGIN AIRPORT WHERE A SINGLE ENGINE LANDING WAS PERFORMED. 8 QUARTS WERE REQUIRED TO RESTORE ENGINE OIL LEVEL, AN INSPECTION REVEALED OIL LEAKS. THE ACFT RETURNED TO SERVICE ON NOV/01 AFTER ALL LEAKS WERE REPAIRED.