Incident at Edmonton, Alberta


1997-03-24: After take-off when the undercarriage of the Boeing 737 was selected up, the captain, PNF, noticed the flap indicator was at zero. There were no control problems reported. Subsequently, the crew noted that the aural warning box circuit breaker had popped. This resulted in the take-off warning horn not functioning. The company has modified the checklist to incorporate "flaps selection" in the after start checklist, and to include "flap" in the before take off checks.


CADORS Number 1997C0162
Occurrence Type Incident
Reported By Transportation Safety Board of Canada
Occurred At 1997-02-07 - 20:12
Day or Night?
Fatalities 0
Aerodrome ID
Aerodrome Name
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, Edmonton, Alberta
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By Transportation Safety Board of Canada
Categories System/component failure or malfunction [non-powerplant]

Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration GWJO | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Operator Commercial
Make  Silhouette image of BOEING
Model 737 200 SERIES
Year Built 1969
Engine Type Turbo fan
Engine Make
Engine Model
Gear Type
Private No
Amateur Built No
Flight Number
Flight Rule
CARS Subpart
Phase of Flight Climb
Damage Unknown
Fatalities 0
Injuries 0
Events Flight control systems (ailerons, rudder, rotors, flaps, main, tail)

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