# SDR YV3R2020060300277

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2020
- Submitted: June 3, 2020
- Operation: General aviation
- Filed by: [Robinson Helicopter Company Inc, repair station YV3R012M](https://openairdocs.org/faa-repair-station/YV3R012M/robinson-helicopter-company-inc.md) (OpenAirDocs)
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Tachometer
- Part number: A7924
- Part serial: 4713
- Condition: Defective
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2020060300277

## Discrepancy

CUSTOMER REPORTED DUAL TACHOMETER P/N: A792-4 MAIN ROTOR NEEDLE INDICATION WAS INOPERATIVE.

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