# SDR ASOA01222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2001
- Submitted: December 7, 2001
- Operation: Air carrier
- Aircraft: N641AS
- Make and model: Aerosp ATR72
- Aircraft serial: 387
- Engine: Pwa PW127
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Right
- Stage of operation: CL
- How discovered: O
- Nature of condition: A
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA01222

## Discrepancy

FLT 4037 - AFTER TAKEOFF FROM ATL, THE RIGHT ENGINE QUIT PRODUCING POWER.  THE TORQUE DROPPED SUDDENLY TO APPROXIMATELY 15-20 PERCENT AND FLUCTUATED BETWEEN 15-20 PERCENT.  THE FLIGHT ATTENDANT REPORTED SEEING FRAMES.  THE CAPTAIN SECURED THE ENGINE AND DECLARED AN EMERGENCY.  AIRCRAFT LANDED SAFELY IN ATL.  MAINTENANCE REMOVED AND REPLACED THE RIGHT ENGINE.  (M)

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