ASN Wikibase Occurrence # 220844
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| Date: | Tuesday 15 January 2019 |
| Time: | 10:50 LT |
| Type: |  Piper PA-28-140 |
| Owner/operator: | (Private) |
| Registration: | N1697J |
| MSN: | 28-24103 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 3661 hours |
| Engine model: | Lycoming O-320 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near West Jordan, UT -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Salt Lake City, UT (U42) |
| Salt Lake City, UT (U42) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was practicing takeoffs and landings when the engine became unresponsive to throttle inputs. He performed a forced landing onto a highway, during which the airplane was substantially damaged. Examination of the engine revealed that the carburetor throttle lever lock nut was finger-tight, and its cotter pin was absent, which likely resulted in the throttle lever intermittently disengaging from the serrated throttle shaft when the pilot manipulated the throttle.
A review of the maintenance log books and an interview with the mechanic revealed that the throttle cable had been removed and subsequently reinstalled onto the carburetor as part of the most recent annual inspection, which was completed about 1 month before the accident. It is likely that, at this time, the mechanic did not install or inadequately installed the cotter pin through the locking nut and bolt.
Probable Cause: A partial loss of engine power due to the mechanic's failure to properly secure the throttle lever locking nut and cotter pin.
Accident investigation:
 |
|
Sources:
NTSB WPR19LA065
Location
Media:
Lehi pilot uninjured after plane crashes near West Jordan Soccer Complex https://t.co/FBzG0ToF8o
— KSL (@KSLcom) 15 janvier 2019
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Jan-2019 19:25 | gerard57 | Added |
| 15-Jan-2019 19:45 | Iceman 29 | Updated [Aircraft type, Operator, Source, Embed code, Narrative] |
| 15-Jan-2019 19:48 | Iceman 29 | Updated [Cn, Location, Embed code] |
| 15-Jan-2019 19:49 | Geno | Updated [Time, Aircraft type, Operator, Location, Phase, Nature, Departure airport, Destination airport, Source, Embed code, Narrative] |
| 15-Jan-2019 19:50 | Captain Adam | Updated [Aircraft type, Cn, Operator, Location, Phase, Departure airport, Destination airport, Source, Narrative] |
| 15-Jan-2019 20:56 | harro | Updated [Departure airport, Destination airport] |
| 15-Jan-2019 22:21 | Iceman 29 | Updated [Source, Embed code] |
| 16-Jan-2019 20:10 | GeoffR | Updated [Operator, Embed code] |
| 02-Jul-2022 14:42 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Embed code, Narrative, Category, Accident report] |
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