BF503 - Incident: North Star AT72 at Thompson on Jan 4th 2022

A North Star Air Avions de Transport Regional ATR-72-212A, registration C-FNIJ performing flight BF-503 from Thompson,MB to Brochet,MB (Canada), was climbing out of Thompson when the crew received indication of intermittent low oil pressure for the right hand engine (PW127F). The crew opted to return to Thompson. DUring the return the crew received indication of decreasing oil pressure for the right hand engine and decided to shut the engine down. The aircraft landed safely back in Thompson.

The Canadian TSB reported an inspection revealed the oil cap had not been properly secured, in addition the check valve to prevent oil venting out if the cap is not secured was not functioning. All North Star aircraft are being inspected.