# SDR SWAA112995

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2011
- Submitted: April 26, 2011
- Operation: Air carrier
- Aircraft: [N455WN](https://openairdocs.org/aircraft/N455WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32462
- Aircraft time: 26,089 hours, 15,148 cycles
- Engine: Cfmint CFM567B242
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 442369
- Part serial: BECW1692
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA112995

## Discrepancy

ON TAKEOFF AUTO THROTTLES ADVANCED POWER TO ABOUT 89 PERCENT ON NR 1 ENGINE.  ADVANCED TO NR 1 FULL THRUST POSITION RECEIVED NO ADDITIONAL THRUST.  REMOVED AND REPLACED HMU & FWD PUMP PER MM.

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