Incident at CALGARY INTL AB (CYYC)
2005-06-13: UPDATE Maintenance and Manufacturing reported that the #1 engine oil filter bypass light illuminated in cruise. As per the checklist, the associated power lever was retarded. With the power reduction, the #1 engine low oil pressure light remained illuminated and then a precautionary shutdown was carried out. Upon inspection, WestJet maintenance discovered metallic debris in the oil system. The engine is being replaced and a teardown analysis will be carried out. SDR 20050610005 has been filed.
2005-06-15: UPDATE TSB reported that the Westjet Boeing 737-200, C-GWWJ, was operating as flight WJA 90 from Victoria, BC to Calgary, AB. Shortly after leveling off at cruise altitude, the flight crew observed a filter bypass master caution. After initiating the non-normal checklist and retarding the #1 engine (Pratt & Whitney USA JT8D-15) thrust lever, the oil pressure started to drop below normal levels. The oil pressure light came on and the engine shutdown checklist was accomplished. The flight continued to Calgary on the remaining engine and a successful single engine approach and landing was conducted with ARFF standing by. Maintenance removed and examined the main oil filter for contamination as per MM 72-00-61 and no contamination was found. A new oil filter kit was installed and was leak checked serviceable. A ground check at cruise power was carried out per MM 71-00-00 and metal contamination was found in the #1 engine oil filter. The SOAP check found high concentrations of iron. The engine was removed and sent to an overhaul facility for teardown.
2005-06-10: WJA 90, a B737-200, was en route from Vancouver to Calgary when the crew shut down the number 1 engine. They did not declare an emergency but requested ARFF eqipment to stand by. The aircraft landed safely at 1940Z, one other aircraft was extended downwind approximately 10 NM giving priority to WJA 90.
|Occurred At||- 19:37|
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Aircraft Details (1 aircraft)
|Canadian Registration||| Flightaware (Registration) | Flightaware (Tracking) | AvHerald|
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