# SDR CA980317082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 1998
- Submitted: January 19, 2001
- Operation: General aviation
- Make and model: Hughes 369D
- Aircraft time: 9,460 hours
- Engine: Allsn 250C20B
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Tachometer
- Part number: 369D24518
- Condition: Failed
- Location: Cockpit
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980317082

## Discrepancy

(CAN) ROTOR RPM WAS READING LOW BY 30-40% AT GROUND IDLE. TROUBLESHOOTING INDICATED GAUGE FAILURE.

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