# SDR V2JA2011F00111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2011
- Submitted: May 8, 2011
- Operation: Air carrier
- Aircraft: N175SL
- Make and model: Piagio P180
- Aircraft serial: 1147
- Aircraft time: 3,855 hours, 2,910 cycles
- Engine: Pwa PT6A66
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Autofeather Sys
- Condition: Fluctuates
- Stage of operation: AP
- How discovered: O
- Nature of condition: R
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/V2JA2011F00111

## Discrepancy

DURING APPROACH RT ENGINE AUTOFEATHER ACTIVATED. PROP RPM FLUCTUATED UNTIL AUTOFEATHER SWITCH TURNED TO OFF POSITION

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