# SDR YV3R2020060300279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2020
- Submitted: June 3, 2020
- Operation: General aviation
- Aircraft: [N3092X](https://openairdocs.org/aircraft/N3092X), registered now
- Make and model: Robsin R22BETA
- Aircraft serial: 4043
- Aircraft time: 6,687 hours
- Engine: Lyc O360J2A
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Tachometer
- Part number: A7924
- Part serial: 4973
- Condition: Defective
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2020060300279

## Discrepancy

CUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY PN A792-4 ENGINE NEEDLE WAS BOUNCING AROUND AT 102%-104%.

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