# Incident 20070921020719I: Mooney M20E, Los Banos, CA, September 21, 2007

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: September 21, 2007, 10:54 local time
- Place: Los Banos, CA
- Damage: No damage
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 37.0634° N, 120.8384° W: Placed by OpenAirDocs: center of Los Banos, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.0634&lon=-120.8384&mi=10
- Aircraft: N2741W, registered now (https://openairdocs.org/aircraft/N2741W) (OpenAirDocs)
- Registry model: Mooney M20E (registry code 5870212, https://openairdocs.org/model/mooney-m20e) (OpenAirDocs)
- Registry engine: Lycoming I0360 series (registry code 41515, https://openairdocs.org/engine/lycoming-i0360-series) (OpenAirDocs)
- Reported make and model: MOONEY M20E
- Reported engine: LYC IO360A1A
- People aboard: 2
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070921020719I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) AIRCRAFT DEPARTED E36, WITH AN INTERMEDIATE STOP AT CCR. ENROUTE TO LAS AT 7500 FT PILOT EXPERIENCED ENGINE VIBRATION WITH LOSS OF POWER. PILOT WAS ON FLIGHT FOLLOWING WITH NORCAL. THE PILOT ASKED FOR NEAREST AIRPORT AND WAS DIVERTED TO LSN. LANDING AT LSN WAS WITHOUT INCIDENT. THE PILOT ASKED MAINTENANCE PERSONNEL TO INSPECT THE ENGINE. FINDINGS WERE AS FOLLOWS: #3 CYLINDER HAD NO COMPRESSION, TOP SPARK PLUG SHOWED DAMAGE AT TIP. MAINTENANCE SUSPECTS A VALVE LET GO CAUSING INTERNAL DAMAGE TO CYLINDER AND PISTON. PILOT RECORDS WERE VERIFIED TO BE CURRENT WITH FARS.

## Other reports on N2741W (1)

Matched to the same aircraft by N-number and date.

- [Incident 19900308027859I](https://openairdocs.org/incident/19900308027859I), Mar 8, 1990: Mooney M20E (N2741W), Pocahontas, AR, Minor damage. Gear collapsed on rollout. Gear handle not in down and locked position.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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