ASN Wikibase Occurrence # 245012
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| Date: | Tuesday 17 November 2020 |
| Time: | 15:18 LT |
| Type: |  Cozy Mark IV |
| Owner/operator: | Private |
| Registration: | N82V |
| MSN: | 0379 |
| Year of manufacture: | 2004 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Compton/Woodley Airport (CPM/KCPM), Compton, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Compton, CA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Approximately 3 minutes after departure, at an altitude of 1,500 ft, the airplane's engine experienced a partial loss of power, and the pilot initiated a return to the airport. During the landing roll, the airplane bounced, veered off the runway, and ground looped.
A postaccident examination of the airplane revealed the No. 2 cylinder bottom spark plug was laying loose in the engine compartment with the ignition lead still attached. The spark plug threads and corresponding threads in the cylinder displayed no signs of damage, which was consistent with the improper installation of the spark plug.
The engine was repaired about 11 months before the accident, which is likely when the spark plug was improperly installed. The airplane accumulated approximately 8 hours since the maintenance.
Probable Cause: The partial loss of engine power due to an improperly installed sparkplug.
Accident investigation:
 |
|
Sources:
NTSB WPR21LA071
https://flightaware.com/live/flight/N82V
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Nov-2020 21:39 | Geno | Added |
| 18-Nov-2020 21:40 | Geno | Updated [Aircraft type, Narrative] |
| 14-Oct-2022 12:34 | ASN Update Bot | Updated [Time, Total occupants, Other fatalities, Departure airport, Destination airport, Source, Damage, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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