ASN Wikibase Occurrence # 991
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| Date: | Wednesday 14 November 2007 |
| Time: | 13:45 |
| Type: |  Piper PA-44-180 Seminole |
| Owner/operator: | Flying Vikings |
| Registration: | N274ER |
| MSN: | 44-7995083 |
| Total airframe hrs: | 13027 hours |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Byron Airport (C83), near Byron, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Hayward Executive Airport, CA (HWD/KHWD) |
| Byron, CA (C83) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After touchdown during the landing roll, the flight instructor heard a "clunking" sound, followed by the airplane dropping slightly to the right. The flight instructor subsequently heard a second "clunk" as the airplane's right wing dropped to the runway. A post-accident examination revealed that the right main landing gear aft trunnion attach fitting had failed. A subsequent metallurgical examination revealed that although a fatigue region was identified on one of the 3 fracture surfaces, it was relatively small, and that the attach fitting most likely failed due to overload.
Probable Cause: The failure of the right main landing gear aft trunnion attach fitting due to overload during the landing roll.
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20071206X01907&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Jan-2008 03:13 | JINX | Added |
| 21-Dec-2016 19:13 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Dec-2017 19:00 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
| 17-Nov-2022 19:50 | Ron Averes | Updated [Aircraft type, Departure airport] |
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