# SDR YV3R2021100700497

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2021
- Submitted: October 8, 2021
- Operation: General aviation
- Aircraft: [N808LB](https://openairdocs.org/aircraft/N808LB), registered now
- Make and model: Robsin R44
- Aircraft serial: 14358
- Aircraft time: 33 hours
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Dual Tachometer
- Part number: C7924
- Part serial: 7738
- Condition: Defective
- Part time: 33 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2021100700497

## Discrepancy

CUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 WAS INTERMITTENT.

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