ASN Wikibase Occurrence # 145219
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| Date: | Thursday 19 April 2012 |
| Time: | 19:15 |
| Type: |  Cessna 210 Centurion |
| Owner/operator: | Private |
| Registration: | N96050 |
| MSN: | 21061156 |
| Total airframe hrs: | 5286 hours |
| Engine model: | Continental TSIO520-R95 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gatlinburg-Pigeon Forge Airport - KGKT, Sevierville, TN -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Kennett, MO (KTX) |
| Sevierville, TN (GKT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot entered the airport traffic pattern for landing and completed the before-landing checklist. He lowered the landing gear, and he noticed that the hydraulic unit stayed on and that the landing gear green light indication in the cockpit did not illuminate. He looked outside and the nosewheel was extended, but both main landing gear were only partially extended. He recycled the landing gear with negative results. He also added fluid to the hydraulic fill port in the cockpit, attempted to recycle the landing gear, and conducted some negative "g’s," but the gear did not fully extend. The pilot subsequently performed a straight-in approach with the nosewheel down and the main landing gear partially extended. During touchdown, the airplane veered to the left off the side of the runway and came to rest upright in a grassy area.
Examination of the airplane revealed a hole in the landing gear down-pressure hose, which prevented the landing gear from fully extending. Review of service information from the airplane manufacturer revealed that the hoses should be replaced every 5 years. The investigation could not determine when the last time the hose was replaced. The airplane's current mechanic had worked on the airplane for 3 years and had not replaced the hose during that time. He added that the hoses did not look damaged or degraded during the inspections he performed. There was no entry in the logbook to indicate the hydraulic hoses had been replaced within the last 5 years or 1,000 hours.
Probable Cause: Failure of the nose landing gear down pressure hose, which resulted in the main landing gear being unable to lock and collapse of the main landing gear during the landing roll.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/live/flight/N96050/history
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Apr-2012 23:15 | Geno | Added |
| 21-Apr-2012 23:19 | Geno | Updated [Source] |
| 02-May-2012 17:10 | Geno | Updated [Time, Nature, Source, Damage, Narrative] |
| 18-May-2014 18:12 | mcmillen | Updated [Damage, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 19-Aug-2017 16:02 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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