Incident at YELLOWKNIFE NT (CYZF)
2001-10-02: UPDATE Maintenance and Manufacturing reported that the flight crew identified decaying oil pressure on the # 4 engine shortly after take off. The engine was shut down to avoid catastrophic failure and the crew returned to Yellowknife for an uneventful landing. Maintenance found metal contamination in the oil screen of the engine, which had 1373.1 hours operation since last overhaul. The engine has been removed and an O/H unit is being installed. The removed engine will be sent to an O/H facility for further internal investigation and a written report. RECOMMENDATIONS / ACTIONS TAKEN: Upon receipt of the strip report from this engine the PMI will assess the number and nature of failures of this power plant model and determine if the company Evaluation Program is tracking this, and if there is a need to reduce the approved TBO to a lower limit.
2001-10-01: The crew of BFL 128, a DC-4, reported 15 NM north of Yellowknife enroute to Koala and advised that they needed to return to Yellowknife. They did not specify the reason and no equipment was needed. As the aircraft was about to land, the Tower Controller noticed that one of the engines was shut down. The aircraft landed safely. The cause of the engine problem is unknown.
|Occurred At||- 20:26|
|Day or Night?|
|TSB Occurrence Number|
|TSB Class of Investigation|
Aircraft Details (1 aircraft)
|Canadian Registration||| Flightaware (Registration) | Flightaware (Tracking) | AvHerald|
|Country of Registration|
|Phase of Flight|