# SDR 746002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2004
- Submitted: November 23, 2004
- Operation: Air carrier
- Aircraft: N746SA
- Make and model: Boeing 747206B
- Aircraft serial: 21111
- Engine: Ge CF650E2
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 4
- Component: Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E, J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/746002

## Discrepancy

ON TAKEOFF, NR 4 ENGINE EXPERIENCED A COMPRESSOR STALL.  CREW SHUT DOWN ENGINE, DUMPED FUEL AND RETURNED TO BASE.  ENGINE BOROSCOPED WITH NO DEFECTS NOTED.  FOUND METAL IN TAILPIPE.  ENGINE IS BEING REPLACED AT THIS TIME.

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