# SDR 2010FA0000514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2010
- Submitted: May 27, 2010
- Operation: General aviation
- Aircraft: N116TV
- Make and model: Bell 206L-3
- Registry model: [Bell 206L-3](https://openairdocs.org/model/bell-206l-3) (OpenAirDocs)
- Aircraft serial: 51199
- Aircraft time: 7,056 hours, 8,615 cycles
- Engine: Allsn 250C30
- Engine time: 6,831 hours, 8,615 cycles
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Tach Generator
- Part number: 2060733731
- Part serial: SN5750
- Condition: Malfunctioned
- Location: Main Rotor
- Part time: 7,056 hours, 8,615 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: H, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2010FA0000514

## Discrepancy

HYD PRESSURE FAILURE IN FLIGHT, ACCOMPANIED BY LOSS OF ROTOR TACH NEEDLE (WENT TO ZERO) AND LOW ROTOR RPM CAUTION LIGHT ILLUMINATION.

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