# SDR SWAA2014072830425

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2014
- Submitted: July 29, 2014
- Operation: Air carrier
- Aircraft: [N428WN](https://openairdocs.org/aircraft/N428WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29844
- Aircraft time: 42,523 hours, 24,748 cycles
- Engine: Cfmint CFM567B22
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 442369
- Part serial: BECW0597
- Condition: Faulty
- Location: Nr 2 Engine
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2014072830425

## Discrepancy

AIR TURN BACK, INFLIGHT SHUTDOWN & DECLARED EMER.  NR 2 ENG N1 FLUX +/- 10% & THEN SPIKE TO 102%, THROTTLE UNRESPONSIVE.  R & R HYD MECHANICAL UNIT IAW MM.

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