# Incident 19990105005679I: Piper PA31350, Concord, CA, January 5, 1999

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: January 5, 1999, 16:35 local time
- Place: Concord, CA
- Phase of flight: Normal Cruise
- Operating rules: Air taxi and commuter (Part 135)
- Operator: JIKA
- Location: 37.9722° N, 122.0016° W: Placed by OpenAirDocs: center of Concord, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9722&lon=-122.0016&mi=10
- Aircraft: N35805, a cancelled registration (https://openairdocs.org/deregistered/N35805-2023-02-27) (OpenAirDocs)
- Registry model: Piper PA-31-350 (registry code 7103110, https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Registry engine: Lycoming TIO-540-J2B (registry code 41976, https://openairdocs.org/engine/lycoming-tio-540-j2b) (OpenAirDocs)
- Reported make and model: PIPER PA31350
- Reported engine: LYC TIO540*
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 2,750 total, 550 in this make and model, 150 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990105005679I

## Narrative

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

(-5)AIRCRAFT DEPARTED OAKLAND (OAK) EN ROUTE TO SACRAMENTO. AT 5,500 FEET MSL IN LEVEL FLIGHT JUST NORTH OF THE CCR VOR, PILOT INITIATED STAGE COOLING AND NOTICED LEFT ENGINE MANIFOLD PRESSURE AND OIL PRESSURE DROP.  OIL WAS VISIBLY STREAKING OUTSIDE LEFT ENGINE COWLING.  PILOT MADE PRECAUTIONARY SHUTDOWN OF LEFT ENGINE.  PILOT DECLARED EMERGENCY WITH TRAVIS RAPCON AND REQUESTED PRIORITY HANDLING BACK TO OAK.  LANDING ON RUNWAY 27 R AT OAK WAS UNEVENTFUL.  UPON MAINTENANCE INSPECTION, IT WAS FOUND THE THE PNEUMATIC PUMP GASKET BLEW OUT AT BOTTON OF OIL GALLEY.

## Other reports on N35805 (1)

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

- [Incident 20010316007069I](https://openairdocs.org/incident/20010316007069I), Mar 16, 2001: Piper PA31350 (N35805), Reno, NV, Minor damage. (-23)Amf 213 reported a bird strike on cruise descent to rno when over downtown at 1645 PST. The right windshield and the metal strip above it was destroyed.…

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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