Incident at CALGARY INTL AB (CYYC) (Aerodrome, runway or taxiway shutdown)

Summary

2001-03-26: ACA 850, an A340 with 131 people on board, departed Calgary (YYC) for London at 0141Z and shortly after takeoff, the crew reported through Terminal Control that they had a gear door problem and were returning. They carried out an overweight landing on Runway 16 at 0228Z and stopped on the runway, south of Taxiway U, to cool the brakes. ERS was on standby. ACA 850 taxied clear of Runway 16 at 0315Z. The problem was traced to a faulty gear door uplock mechanism.
2001-03-29: UPDATE TSB reported that ACA 850 experienced a right center gear door unlocked caution light after landing gear retraction. The A340 flew for approximately 40 minutes before returning to Calgary. An emergency was declared and ERS was on stand by for the landing. The A340 landed approximately 35,000 kg overweight and remained on the runway for 45 minutes as ERS crews put fans on the brakes to help cool them. Maintenance discovered that a center landing gear seal was binding and caused the door indication to show not closed. The seal was removed and the Airbus dispatched under a production permit.

Details


CADORS Number 2001C0284
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2001-03-24 - 01:49
Day or Night?
Fatalities 0
Injuries
Aerodrome ID CYYC
Aerodrome Name CALGARY INTL AB (CYYC)
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, Calgary
TSB Occurrence Number A01W0068
TSB Class of Investigation Class 5
AOR Number 14510
Reported By NAV CANADA
Categories System/component failure or malfunction [non-powerplant],Other,Aerodrome
Events Aerodrome, runway or taxiway shutdown



Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration FYLG | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Owner AIR CANADA
Operator AIR CANADA (5262) Commercial
Make  Silhouette image of AIRBUS
AIRBUS
Model A340 313
Year Built 1997
Engine Type Turbo fan
Engine Make CFM INTERNATIONAL
Engine Model CFM56-5C4
Gear Type Land
Private No
Amateur Built No
Flight Number ACA 850
Flight Rule
CARS Subpart
Phase of Flight Climb
Damage No Damage
Fatalities 0
Injuries 0
Events Declared emergency/priority,Landing gear,Diversion

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