Incident at YELLOWKNIFE NT (CYZF)

Summary

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.

Details


CADORS Number 2001C1245
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2001-09-28 - 20:26
Day or Night?
Fatalities 0
Injuries
Aerodrome ID CYZF
Aerodrome Name YELLOWKNIFE NT (CYZF)
Geographic Location Northwest Territories, Canada, North America, Prairie and Northern Region, 15 NM N of Yellowknife
TSB Occurrence Number
TSB Class of Investigation
AOR Number 17976
Reported By NAV CANADA
Categories System/component failure or malfunction [powerplant],Other
Events



Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration GPSH | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Owner BUFFALO AIRWAYS LTD
Operator BUFFALO AIRWAYS, INC. (4877) Commercial
Make  Silhouette image of DOUGLAS
DOUGLAS
Model C54A
Year Built 1944
Engine Type Reciprocating
Engine Make PRATT & WHITNEY
Engine Model R-2000-7M2
Gear Type Land
Private No
Amateur Built No
Flight Number BFL 128
Flight Rule
CARS Subpart
Phase of Flight Cruise
Damage No Damage
Fatalities 0
Injuries 0
Events Engine failure,Diversion,Engine shut down

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