# SDR 0401556308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2004
- Submitted: September 20, 2004
- Operation: Air carrier
- Aircraft: N668US
- Make and model: Boeing 747451
- Aircraft serial: 24223
- Aircraft time: 61,768 hours, 7,517 cycles
- Engine: Pwa PW4056
- Engine time: 14,147 hours, 1,791 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Flamed Out
- Location: Nr 1
- Stage of operation: CL
- How discovered: 9
- Nature of condition: X, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0401556308

## Discrepancy

DURING CLIMB AT 19,000 FT, THE NR 1 ENGINE FLAMED OUT.  FLIGHT CREW DUMPED 180,000 LBS OF FUEL AND RETURNED TO DEPARTURE AIRPORT PERFORMING AN UNEVENTFUL LANDING.  MAINTENANCE REPLACED THE NR 1 ENGINE.  OPERATIONAL CHECK GOOD.

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