# SDR SWIA201023884

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2010
- Submitted: March 25, 2010
- Operation: Air carrier
- Aircraft: N301YV
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120301
- Aircraft time: 30,732 hours, 42,999 cycles
- Propeller: Hamstd 14RF9
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Switch
- Condition: Malfunctioned
- Location: Autofeather Sys
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201023884

## Discrepancy

THE LEFT AUTO FEATHER TEST SWITCH STUCK IN THE TEST POSITION ON TAKEOFF RESULTING IN OVER TORQUE.  (FLT 7759)  REPLACED SWITCH, RIGHT PROP HUB AND BLADES.

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