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| Date: | Wednesday 26 May 1982 |
| Time: | 18:55 LT |
| Type: |  McDonnell Douglas DC-10-10 |
| Owner/operator: | United Airlines |
| Registration: | N1833U |
| MSN: | 47965/59 |
| Year of manufacture: | 1972 |
| Total airframe hrs: | 26769 hours |
| Engine model: | GE CF6-6 |
| Fatalities: | Fatalities: 0 / Occupants: 138 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | San Francisco International Airport, CA (SFO/KSFO) -
 United States of America
|
| Phase: | Pushback / towing |
| Nature: | Passenger - Scheduled |
| Departure airport: | San Francisco, CA (SFO |
| Denver, CO (KDEN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING THE INITIAL PUSHBACK FROM THE GATE PRIOR TO ENG START A LOUD NOISE WAS HEARD & THE ACFT NOSE SLOWLY SETTLED ONTO THE TUG THAT WAS PERFORMING THE PUSHBACK. THE CAPTAIN ORDERED THE ACFT EVACUATED USING THE EMERGENCY SLIDES. THE UPPER JAW OF THE TOWBAR HAD FAILED DUE TO EXTENSIVE STRESS-CORROSION CRACKING. THIS FAILURE RESULTED IN THE TOWBAR IMPACTING THE NOSE LANDING GEAR CAUSING A FAILURE OF THE NOSE GEAR LOWER DRAG LINK UPPER CLEVIS. THE NOSE GEAR THEN COLLAPSED & THE ACFT SETTLED ONTO THE TUG.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX82FA195
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Apr-2024 09:38 | ASN Update Bot | Added |
| 17-Oct-2024 17:17 | ASN | Updated [Cn, Other fatalities, Narrative, ] |
Corrections or additions? ... Edit this accident description
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