# SDR 2011FA0000454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2011
- Submitted: July 12, 2011
- Operation: Air carrier
- Aircraft: N147SL
- Make and model: Piagio P180
- Aircraft serial: 1083
- Aircraft time: 7,751 hours, 5,701 cycles
- Engine: Pwa PT6A66
- Propeller: Hartzl HCE5N3
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Autofeather Sys
- Condition: Malfunctioned
- 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/2011FA0000454

## Discrepancy

UNCOMMANDED AUTOFEATHER ON APPROACH.

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