# SDR CA990707039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Snias AS350BA
- Engine: Tmeca ARRIEL1B
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Switch
- Part number: S1130021089
- Condition: Shorted
- Location: M/R Gearbox
- Part time: 1,040 hours
- Component: Aerosp, 350A32030004
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990707039

## Discrepancy

(CAN) WHILE IN CRUISE FLIGHT, THE MAIN ROTOR GEARBOX OIL PRESSURE LIGHT CAME ON.  THE PILOT LANDED IMMEDIATELY.  PRESSURE SWITCH WAS FOUND TO BE SHORTED.  PRESSURE SWITCH REPLACED.

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