# SDR CA100713007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2010
- Submitted: January 4, 2011
- Operation: General aviation
- Make and model: Robsin R44RAVENII
- Aircraft time: 1,631 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Warning System
- Part number: A5699
- Condition: Failed
- Location: Main Rotor
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA100713007

## Discrepancy

LOW ROTOR RPM WARNING UNIT REPLACED DUE TO NO WARNING DURING FUNCTIONAL CHECK.

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