# SDR V2JA0208134143337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2013
- Submitted: April 19, 2013
- Operation: Air carrier
- Aircraft: N143SL
- Make and model: Piagio P180
- Aircraft serial: 1109
- Aircraft time: 5,267 hours, 3,953 cycles
- Engine: Pwa PT6A66
- Engine time: 9,527 hours, 7,201 cycles
- Propeller: Hartzl HCE5N3
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Switch
- Part number: CS4025
- Condition: Dirty
- Location: Cockpit
- Stage of operation: AP
- How discovered: O
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/V2JA0208134143337

## Discrepancy

UNCOMMANDED AUTOFEATHER IN FLIGHT ON LAST LEG.  POWER LEVERS, AND ALL ENGINE PARAMETERS WERE EQUAL. FOUND SWITCH DIRTY.

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