# SDR IPXA4201401171352

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2014
- Submitted: January 17, 2014
- Operation: Air carrier
- Aircraft: [N573UP](https://openairdocs.org/aircraft/N573UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35662
- Engine: Ge CF680C2*
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 442564
- Part serial: BECK4874
- Condition: Faulted
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E, J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA4201401171352

## Discrepancy

NR 1 ENGINE FAILURE AFTER TAKEOFF, APPROXIMATELY 1000 FT, PRECEEDED BY COMPRESSOR STALL.  FUEL JETTISON ACCOMPLISHED BEFORE RETURN TO DEPARTURE.  STATUS MESSAGE 71574, TROUBLESHOT IAW FIM 71-00 TASK A09, FOUND HMU FAULTY .  R & R HMU IAW AMM 73-21-14 AND CHECKED OK .

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