# SDR YV3R2019012200157

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2019
- Submitted: August 12, 2019
- Operation: General aviation
- Aircraft: [N240RM](https://openairdocs.org/aircraft/N240RM), registered now
- Make and model: Robsin R44
- Aircraft serial: 1090
- Aircraft time: 4,557 hours
- Engine: Lyc O540F1B5
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Tachometer
- Part number: C7924
- Part serial: 3431
- Condition: Faulty
- Location: Dual
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2019012200157

## Discrepancy

DUAL TACHOMETER ROTOR NEEDLE RPM IS FAULTY.

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