# SDR HNAA2009100700308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2009
- Submitted: October 7, 2009
- Operation: Air carrier
- Aircraft: N941HA
- Make and model: Dhav DHC8102
- Aircraft serial: 161
- Aircraft time: 52,180 hours, 57,886 cycles
- Engine: Pwa PW120
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Switch
- Part number: V319
- Condition: Malfunctioned
- Location: Autofeather
- Part time: 52,180 hours, 57,886 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2009100700308

## Discrepancy

AUTO FEATHER SYS FAILED TO ARM AT APPROX 60 KNOTS.   AC ABORTED TAKEOFF AND RETURNED TO BLOCKS.  REMOVED AND REPLACED MICRO-SWITCHES, 6121-S12, AND 6121-S13. OPS CK GOOD.

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