Incident at WINNIPEG / JAMES ARMSTRONG RICHARDSON INTL MB (CYWG)
2003-10-06: UPDATE Maintenance and Manufacturing reported that shortly after takeoff, the crew reported numerous three phase circuit breakers popped, causing loss of several systems and annunciations #2. The fault was rectified by replacing #2 bus tie breaker (C802). 84 cycles after the original occurrence, a fault caused the same CB's to open. The #2 generator was found to have an open coil between T3 and T6. The generator was replaced and the aircraft returned to service with no further incidents to report.
2003-09-08: WJA 409, a Boeing 737-200, registration C-FTWJ had departed Winnipeg and was destined for Calgary. During the initial climb at approximately 1,500 feet, eight circuit breakers popped. As a result the weather radar, #2 nav and #2 com were rendered inoperable. Both generators were online and indicated normal. The crew elected to return to the Winnipeg airport were the aircraft landed safely. An emergency was not declared. The operator advised that #2 bus tie breaker was replaced and the aircraft was returned to service.
|Occurred At||- 01:00|
|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|