# SDR SIMA20011213

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2001
- Submitted: June 28, 2001
- Operation: Air carrier
- Aircraft: [N971NA](https://openairdocs.org/aircraft/N971NA), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 017
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Propeller
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20011213

## Discrepancy

MIA - FLT 5251 - AFTER TAKEOFF, CREW REPORTED THE NR 1 PROPELLER SPEED WENT TO ZERO.  MAINTENANCE COULD NOT DUPLICATE DISCREPANCY.  OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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