# SDR UPS08B53921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2008
- Submitted: November 18, 2008
- Operation: Air carrier
- Aircraft: [N579UP](https://openairdocs.org/aircraft/N579UP), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 26062
- Engine: Ge CF680C2B2
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Hmu
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: AP
- How discovered: O
- Nature of condition: X, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS08B53921

## Discrepancy

INSPECTION TYPE:N/A ENG NR 1 FAILURE ON FINAL WITH SUCCESSFUL AUTO RELIGHT.  NR 1 FAILED AGAIN ON GROUND WITH ENG 1 CONTROL MESSAGE.  WIND ON FINAL APPROACH TO 26L WAS OUT OF NORTH UP TO 50 KNOTS.  REMOVED AND REPLACED NR 1 ENG HMU IAW MM 73-21-14, REMOVED AND REPLACED ECU IAW MM 73-21-15.  REF Q141548 & K141559.  OPS CK GOOD.

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