# Incident 20020717026089I: Piper PA28R201, Concord, CA, July 17, 2002

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 17, 2002, 18:40 local time
- Place: Concord, CA
- Airport: Buchanan Field
- Phase of flight: Final Approach
- Operating rules: General operating rules (Part 91)
- Location: 37.9897° N, 122.0569° W: Placed by OpenAirDocs at BUCHANAN FLD (CCR), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9897&lon=-122.0569&mi=10
- Aircraft: N9789C, registered now (https://openairdocs.org/aircraft/N9789C) (OpenAirDocs)
- Registry model: Piper PA-28R-201 (registry code 7102816, https://openairdocs.org/model/piper-pa-28r-201) (OpenAirDocs)
- Registry engine: Lycoming I0360 series (registry code 41515, https://openairdocs.org/engine/lycoming-i0360-series) (OpenAirDocs)
- Reported make and model: PIPER PA28R201
- Reported engine: CONT IO360*
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 2,955 total, 89 in this make and model, 12 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20020717026089I

## Narrative

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

(-23) JULY 17, 2002 - AIRCRAFT FORCE LANDED ONE MILE NORTH OF CONCORD, CA RNW 19R FINAL AT 171840PDT DUE TO ENGINE PROBLEMS. PILOT STATED THAT THE AIRCRAFT WAS ON A FIVE MILE STRAIGHT-IN FINAL FOR LANDING ON 19, AND DEVELOPED ENGINE PROBLEM. UPON REDUCTION OF POWER SETTING THE ENGINE STARTED TO RUN ROUGH. POWER WAS REAPPLIED AND THE ENGINE RAN NORMALLY FOR A FEW SECONDS AND BEGAN TO RUN ROUGH AGAIN. THE FUEL FLOW WAS LOW, AND THE ENGINE WOULD NOT RESPOND TO THROTTLE INPUTS BEYOND THE IDLE. THE AUX PUMP WAS RE-CYCLED, FUEL TANKS SWITCHED. THE MIXTURE WAS CYCLED ALONG WITH THE THROTTLE. PILOT DETERMINED TO LAND IN THE COUNTY FIELD. INSPECTION OF THE ENGINE REVEALED THAT THE DIAPHRAGM IN THE FUEL SERVO HAD FAILED, BLOCKING THE FLOW TO THE ENGINE.

## Other reports on N9789C (1)

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

- [Incident 20010928027799I](https://openairdocs.org/incident/20010928027799I), Sep 28, 2001: Piper PA28R201 (N9789C), Concord, CA, Minor damage. (-23) On September 28, 2001, Mr. Michael kelly ryan, (PIC) departed buchman field, on a maintenance flight following the removal and replacement of the…

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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