As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE ENGINE NR 1 EXPERIENCED A LOW OIL PRESSURE WARNING ON TAXIING TO STAND WHEN THE CONDITION LEVERS WERE MOVED FROM MIN RPM TO FEATHER IN PREPARATION FOR SINGLE ENGINE TAXI. THIS ACFT AND ENGINE EXPERIENCE SIMILAR EVENT ON NOVEMBER 22. OIL PRESSURE CHECK VALVE, PRV WERE REPLACED AND ACFT RETURNED TO SERVICE.