Serious incident Airbus A340-313 C-FYKX, Monday 18 August 2003
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Date:Monday 18 August 2003
Time:03:16 LT
Type:Silhouette image of generic A343 model; specific model in this crash may look slightly different    
Airbus A340-313
Owner/operator:Air Canada
Registration: C-FYKX
MSN: 910
Engine model:CFM International CFM56-5C4
Fatalities:Fatalities: 0 / Occupants: 185
Other fatalities:0
Aircraft damage: Minor
Category:Serious incident
Location:Honolulu-Daniel K. Inouye International Airport, HI (HNL/PHNL) -   United States of America
Phase: Take off
Nature:Passenger - Scheduled
Departure airport:Honolulu-Daniel K. Inouye International Airport, HI (HNL/PHNL)
Destination airport:Sydney-Kingsford Smith International Airport, NSW (SYD/YSSY)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Both of the transport airplane's center landing gear tires (#'s 9 and 10) shredded during takeoff roll, damaging the door retraction arms and multiple fuselage skin panels. The flight crew could not retract the landing gear and elected to return to the departure airport and performed an uneventful overweight landing. Examination of the tire debris revealed there was significant inter ply tearing of the tires, suggesting the tire did not fail as a result of a cap failure. According to the operator and tire manufacturer, the failure signatures were consistent with a rapid and violent event, which can be attributed either to foreign object damage (FOD) or a low tire pressure situation. Since the #10 tire exhibited high heat signatures, the likely sequence is that the #9 wheel tire failed first, followed by the overheating of the #10 tire and its subsequent failure. The fact that no FOD was recovered with the tire debris and the fact that the nose tires did not sustain any damage, considering their in-line position with the center landing gear, lends more credence to the low tire pressure situation. The airplane underwent a regularly scheduled service check, which included a tire condition and pressure check, approximately 30 hours prior to the event. The tire pressure was not documented during the service check. A post-incident examination revealed the #9 wheel had a leaking fuse plug. The fuse plug was tested and found to have a 6-psi leak over a 12-hour time period. The pre-incident tire pressure was unknown.

Probable Cause: the failure of the center landing gear tires as a result of low tire pressure.

Accident investigation:
Investigating agency: NTSB
Report number: LAX03IA259
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report




Revision history:

25-Mar-2024 10:08 ASN Update Bot Added

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