# SDR SWAA2019090336463

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2019
- Submitted: September 3, 2019
- Operation: Air carrier
- Aircraft: N7846A
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 35218
- Aircraft time: 35,558 hours, 25,485 cycles
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Hmu
- Part number: 442653
- Part serial: BE9W5637
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: R
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2019090336463

## Discrepancy

#1 ENGINE WOULD NOT PRODUCE FULL POWER ON TAKEOFF.  COMMANDED 95%N, BUT ONLY PRODUCED 88%.  R&R HYDRO MECHANICAL UNIT PER MT.

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