# SDR MTNA042220140001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2014
- Submitted: April 29, 2014
- Operation: Air carrier
- Aircraft: [N802FX](https://openairdocs.org/aircraft/N802FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 344
- Aircraft time: 34,287 hours, 37,687 cycles
- Engine: Pwa PW127
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Autofeather Sys
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA042220140001

## Discrepancy

DURING CRUISE,  NR 1 ENGINE NP DROPPED TO 30 PERCENT, TORQUE DROPPED TO ZERO, ALL OTHER ENGINE PARAMETERS WERE NORMAL.  DECLARED AN EMERGENCY & MADE A UNEVENTFUL LANDING.  REPLACED THE NR 1 AUTO FEATHER UNIT.  THE SYS CHECKED GOOD IAW MM JIC 61-22-00 OPT 10010.

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