# Incident 20040511010019I: Mooney M20J, Bishop, CA, May 11, 2004

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 11, 2004, 17:00 local time
- Place: Bishop, CA
- Airport: Bishop Airport
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 37.3731° N, 118.3636° W: Placed by OpenAirDocs at BISHOP (BIH), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3731&lon=-118.3636&mi=10
- Aircraft: N201LR, registered now (https://openairdocs.org/aircraft/N201LR) (OpenAirDocs)
- Registry model: Mooney M20J (registry code 5870219, https://openairdocs.org/model/mooney-m20j) (OpenAirDocs)
- Registry engine: Lycoming I0360 series (registry code 41515, https://openairdocs.org/engine/lycoming-i0360-series) (OpenAirDocs)
- Reported make and model: MOONEY M20J
- Reported engine: LYC IO360LYC*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 3,716 total, 1,750 in this make and model
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040511010019I

## Narrative

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

(-23) A/C DEPARTED LONE PINE, CA (O26) AND CLIMBED TO 10K AND AFTER RETARDING POWER TO CRUISE, EXPERIENCED LOW OIL PRESSURE AND ENGINE VIBRATIONS. MADE PRECAUTIONARY LANDING ON HWY 395 APPROX 6 MILES SOUTH OF BISHOP, CA (BIH). NO DAMAGE TO AIRCRAFT OR PERSONNEL. INITIAL INDICATIONS THAT THE #3 EXHAUST VALVE COVER HAD COME OFF, OIL ON LWR FUSELAGE WITH NO OIL SHOWING ON DIPSTICK, BULGES ON UPPER ENGINE CASE AND INDICATIONS OF #3 CYLINDER PISTON NOT CONNECTED TO CRANK. ENGINE WAS TORN DOWN TO DETERMINE WHAT FAILED. TEAR DOWN REPORT INDICATES THAT THE PROP GOVERNOR INSTALLATION WAS MISSING METAL SPACER P/N LW-12347 RESULTING IN SIGNIFICANT OIL LOSS AND ULTIMATE ENGINE FAILURE.

## Other reports on N201LR (1)

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

- [Incident 20220103002759I](https://openairdocs.org/incident/20220103002759I), Jan 3, 2022: Mooney M20J (N201LR), Elkhart, IN, Minor damage. On or about January 3, 2022, at approximately 0930 EST, a Mooney M201, a fixed-wing single-engine airplane bearing the registration of N201LR (sn: 24-0442),…

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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