# SDR 04FDEA03481

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2004
- Submitted: January 5, 2005
- Operation: Air carrier
- Aircraft: N580FE
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48471
- Aircraft time: 43,138 hours, 8,770 cycles
- Engine: Pwa PW4462
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: PW44623
- Part serial: 733835
- Condition: Failed
- Location: Nr 2
- Part time: 10,859 hours, 2,511 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04FDEA03481

## Discrepancy

NR 2 ENGINE VIBRATION AT TAKEOFF ROTATION FOLLOWED BY A BANG AT ROTATION.  COMPRESSOR STALL REPORTED BY ANOTHER AIRCRAFT.  EXCEEDENCE WENT AMBER TO 5.3 ON CLIMB & 4.4 IN CRUISE AT 10K FT, VIBRATION NOTICABLE IN CRUISE WITH ENGINE & WING ANTI-ICE ON & IGNITION OVERRIDE, ENGINES WERE DE-ICE & ANTI-ICE IN GATE FOLLOWED 30 SECOND RUN UP ON RUNWAY.  DUE TO TAKEOFF COMPRESSOR STALL ABOVE 1.25 EPR THIS ENGINE IS APPROVED FOR REMOVAL PER PP/ENGINEERING.  COMPLETED ENGINE CHANGE 1/1/05.

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