# SDR YV3R2019012200026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2019
- Submitted: February 23, 2019
- Operation: General aviation
- Aircraft: [N79RH](https://openairdocs.org/aircraft/N79RH), registered now
- Make and model: Robsin R44
- Aircraft serial: 30011
- Aircraft time: 877 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Tachometer
- Part number: C7924
- Part serial: 496
- Condition: Defective
- Location: Cockpit
- Part time: 50 hours
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2019012200026

## Discrepancy

CUSTOMER REPORTED ENGINE NEEDLE PEGS FULL SCALE WHEN POWER IS APPLIED.

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