ASN Wikibase Occurrence # 370389
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| Date: | Monday 18 August 2003 |
| Time: | 03:16 LT |
| Type: |  Airbus A340-313 |
| Owner/operator: | Air Canada |
| Registration: | C-FYKX |
| MSN: | 910 |
| Engine model: | CFM International CFM56-5C4 |
| Fatalities: | Fatalities: 0 / Occupants: 185 |
| 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) |
| 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:
 |
|
Sources:
NTSB LAX03IA259
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Mar-2024 10:08 | ASN Update Bot | Added |
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