# SDR CA990916015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Cvac 440
- Engine: Allsn 501D13
- Propeller: Allsn A6441FN606
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Valve
- Part number: 65067150
- Condition: Failed
- Location: Prop Governor
- Component: Aeropd, A6441FN606
- Stage of operation: CR
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990916015

## Discrepancy

(CAN) SELECTION OF PHASE SYNC CAUSED PROPELLER RPM FLUCTUATIONS, NR 1 PROPELLER VALVE REPLACED.

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