ASN Wikibase Occurrence # 156862
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| Date: | Saturday 20 November 1999 |
| Time: | 22:00 LT |
| Type: |  Cessna 210D |
| Owner/operator: | Private |
| Registration: | N3928Y |
| MSN: | 21058428 |
| Year of manufacture: | 1964 |
| Total airframe hrs: | 3725 hours |
| Engine model: | Continental I0-520 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sheridan County Airpor, WY -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Billings, MT (KBIL) |
| (KSHR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot said that this was the first flight after the annual inspection. When he put the leading gear handle down for landing, he didn't get a positive gear lock light, so he cycled the leading gear several times in an attempt to get a positive gear down and locked indication. He attempted to hand pump the gear down, but still had no positive down and locked light. He landed the airplane, and during the landing roll the right main landing gear failed. Postaccident examination of the engine driven hydraulic pump pressure revealed that its output was 200 pounds per square inch (psi). The maintenance personnel that worked on the airplane said that normal pump pressure output was 2,725 psi. The hydraulic pump was replaced, and the landing gear cycled normally.
Probable Cause: The partial failure of the engine driven hydraulic pump.
Accident investigation:
 |
|
Sources:
NTSB DEN00LA020
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Jun-2013 15:59 | JINX | Added |
| 21-Jun-2013 01:58 | JINX | Updated [Date, Time, Aircraft type, Registration, Cn, Operator, Total fatalities, Total occupants, Location, Country, Phase, Nature, Departure airport, Destination airport, Source, Damage] |
| 21-Jun-2013 01:59 | JINX | Updated [Total fatalities, Location, Departure airport] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 14-Dec-2017 09:47 | ASN Update Bot | Updated [Cn, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
| 07-Apr-2024 16:56 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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