ASN Wikibase Occurrence # 180979
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| Date: | Tuesday 3 November 2015 |
| Time: | 09:50 |
| Type: |  Cirrus SR22 |
| Owner/operator: | Private |
| Registration: | N857SW |
| MSN: | 0816 |
| Year of manufacture: | 2014 |
| Total airframe hrs: | 232 hours |
| Engine model: | Continental TSIO-550-K |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fayetteville, AR -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Bentonville, AR (VBT) |
| Waco, TX (ACT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During the enroute climb to cruise altitude, the low oil pressure warning light activated. The pilot notified air traffic control, received vectors to the nearest airport, and began a descent as the oil pressure continued to decrease. About 3 miles from the airport, the engine experienced a total loss of power. The pilot could not see the airport or runway due to a cloud layer below and elected to deploy the airplane parachute system. The airplane descended under canopy to a four-lane road, where a car impacted the left wing. A postaccident examination of the engine revealed a fatigue fracture of the oil cooler cross fitting, which resulted in oil starvation, internal damage to the crankcase, and a subsequent total loss of engine power.
About four months before the accident, the engine manufacturer released a critical service bulletin (CSB) for a known problem pertaining to the oil cooler cross fitting assembly. Although the airplane underwent scheduled maintenance about a month before the accident, the CSB was not completed due to time constraints. Although compliance was not mandatory, it is likely that the accident would have been prevented had the CSB been completed.
Probable Cause: The fatigue failure of the oil cooler cross fitting, which resulted in engine oil starvation and a total loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/live/flight/N857SW
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=857SW
Location
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Nov-2015 17:39 | Geno | Added |
| 03-Nov-2015 18:18 | bovine | Updated [Source] |
| 03-Nov-2015 18:18 | Iceman 29 | Updated [Total occupants, Phase, Embed code, Narrative] |
| 04-Nov-2015 14:50 | smitty195 | Updated [Operator, Narrative] |
| 06-Nov-2015 12:04 | RobertMB | Updated [Aircraft type, Narrative] |
| 06-Nov-2015 17:31 | mchief75 | Updated [Total occupants, Narrative] |
| 15-Nov-2015 19:26 | SentryRaven | Updated [Embed code] |
| 15-Nov-2015 19:28 | harro | Updated [Embed code] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Feb-2018 13:48 | ASN Update Bot | Updated [Operator, Total occupants, Nature, Departure airport, Destination airport, Source, Narrative] |
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