# SDR 2020FA0000038

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2019
- Submitted: January 15, 2020
- Operation: General aviation
- Aircraft: [N7900D](https://openairdocs.org/aircraft/N7900D), registered now
- Make and model: Beech H35
- Registry model: [Beech H35](https://openairdocs.org/model/beech-h35) (OpenAirDocs)
- Aircraft serial: D5134
- Engine: Cont IO470N
- Propeller: Mcauly 2A36C*
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Tachometer
- Part number: 7P10010010003
- Condition: Grounded
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2020FA0000038

## Discrepancy

DIGITAL TACHOMETER GROUND OUT BOTH MAGNETOS WHEN RUNNING AIRCRAFT.  CONTACTED MANUFACTURER AND GO NO HELP WITH THEIR UNIT.

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