ASN Wikibase Occurrence # 164613
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| Date: | Friday 7 March 2014 |
| Time: | 13:40 |
| Type: |  Cessna 170B |
| Owner/operator: | Private |
| Registration: | N2252D |
| MSN: | 20404 |
| Year of manufacture: | 1952 |
| Total airframe hrs: | 2332 hours |
| Engine model: | Lycoming O-360-A1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | San Luis County Reg'l Airport (KSBP), San Luis Obispo, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | San Luis Obispo, CA (KSBP) |
| San Luis Obispo, CA (KSBP) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, shortly after a normal touchdown, the left main landing gear (MLG) collapsed, which resulted in substantial damage to the gearbox area. Review of videos from three surveillance cameras with different views of the landing corroborated the pilot’s report that the landing was normal. Examination of the airplane revealed evidence of corrosion of the left MLG bulkhead assembly in the damaged gearbox area. The corrosion likely weakened the bulkhead’s structure and resulted in the collapse of the left MLG.
Probable Cause: Corrosion of the bulkhead assembly in the left main landing gearbox area, which resulted in the structural failure of the bulkhead and the subsequent landing gear collapse.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N2252D
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Mar-2014 23:39 | Geno | Added |
| 19-Mar-2014 21:49 | Geno | Updated [Nature, Departure airport, Source] |
| 20-Mar-2014 08:03 | Anon. | Updated [Nature, Departure airport, Source] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 13:40 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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