Incident at SASKATOON / JOHN G. DIEFENBAKER INTL SK (CYXE)

Summary

2005-01-14: UPDATE TSB reported that when the WestJet Boeing 737-281, C-FTWJ, arrived in Winnipeg, MB the No. 1 engine (Pratt & Whitney JT8D-17A) produced an unusual sound on shutdown. Maintenance personnel inspected the engine, conducted a power run, with no fault found. Consequently, the aircraft was released to complete a scheduled flight to Calgary, AB. In cruise at FL 310 approximately one hour and fifteen minutes into that flight, the No. 1 engine emitted a loud bang accompanied by a reduction in engine pressure ratio (EPR) indication. Additionally, there was a smell of exhaust fumes in the cockpit. The crew completed the items for the Engine Limit/Surge/Stall QRC, declared an emergency, and diverted to Saskatoon, SK. When the thrust lever for the No. 1 engine was retarded to idle in accordance with the QRC, the engine ran smoothly and the exhaust fumes dissipated. For electrical and pneumatic requirements, the engine was maintained at idle and the aircraft landed uneventfully at Saskatoon. Again no faults were evident after maintenance personnel completed additional inspections and power runs. The aircraft was subsequently re-positioned to Calgary, with essential crew only, for further inspection. The engine is being replaced due to suspected stator vane damage.
2005-01-11: WJA 96, a B737-200, was 80 miles south of Saskatoon at FL 310 on a flight from Winnipeg to Calgary when the crew advised that they had shut down the #1 engine. The crew declared an emergency and diverted to Saskatoon, where emergency services responded. The aircraft landed safely on Runway 27 at 2220Z. TSB will contact the company.

Details


CADORS Number 2005C0060
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2005-01-10 - 21:59
Day or Night? Day-time
Fatalities 0
Injuries 0
Aerodrome ID CYXE
Aerodrome Name SASKATOON / JOHN G. DIEFENBAKER INTL SK (CYXE)
Geographic Location Saskatchewan, Canada, North America, Prairie and Northern Region, 70 NM S of Saskatoon
TSB Occurrence Number A05C0007
TSB Class of Investigation Class 5
AOR Number 52654-V1
Reported By NAV CANADA
Categories System/component failure or malfunction [powerplant],Other,Fire/smoke (non-impact)
Events



Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration FTWJ | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Owner WESTJET
Operator WESTJET (8893) Commercial
Make  Silhouette image of BOEING
BOEING
Model 737 281
Year Built 1979
Engine Type Turbo fan
Engine Make PRATT & WHITNEY-USA
Engine Model JT8D-17
Gear Type Land
Private No
Amateur Built No
Flight Number WJA 96
Flight Rule
CARS Subpart
Phase of Flight Cruise
Damage No Damage
Fatalities 0
Injuries 0
Events Declared emergency/priority,Diversion,Engine - malfunction,Smoke/fumes - aircraft

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