ASN Wikibase Occurrence # 360582
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Date: | Sunday 17 April 1994 |
Time: | 19:55 LT |
Type: | McDonnell Douglas MD-83 |
Owner/operator: | Alaska Airlines |
Registration: | N931AS |
MSN: | 49232/1178 |
Total airframe hrs: | 25773 hours |
Engine model: | P&W JT8D-217A |
Fatalities: | Fatalities: 0 / Occupants: 139 |
Aircraft damage: | Minor |
Category: | Serious incident |
Location: | Seattle, WA -
United States of America
|
Phase: | Taxi |
Nature: | Unknown |
Departure airport: | San Francisco, CA (SFO |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:DURING THE LANDING/TAXI SEQUENCE, THE LEFT MAIN GEAR WHEEL HUB EXPERIENCED A FATIGUE FRACTURE. THE CRACKS WHICH LED TO THE FRACTURE ORIGINATED IN THE HUB GREASE DAM GROOVE. THE FRACTURING OF THE HUB DAMAGED OTHER BRAKE COMPENENTS, WHICH ALLOWED HYDRAULIC FLUID TO LEAK ONTO A HOT BRAKE PAD, WHERE IT WAS IGNITED.
Probable Cause: THE FATIGUE FRACTURE OF A MAIN GEAR WHEEL HUB.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | SEA94IA103 |
Status: | Investigation completed |
Duration: | 10 months |
Download report: | Final report |
|
Sources:
NTSB SEA94IA103
Location
Revision history:
Date/time | Contributor | Updates |
16-Mar-2024 08:54 |
ASN Update Bot |
Added |
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