# SDR SWAA2021110439580

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2021
- Submitted: November 4, 2021
- Operation: Air carrier
- Aircraft: [N8690A](https://openairdocs.org/aircraft/N8690A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36916
- Aircraft time: 18,406 hours, 8,360 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: None
- Part number: CFM67B
- Part serial: 864292
- Condition: Faulty
- Location: L/H Wing
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021110439580

## Discrepancy

CLIMBING THROUGH 17;000'; NO.1 ENGINE INDICATED APPROXIMATELY 107%. WE RAN QRC CHECKLIST. NO1 THRUST LEVER WAS BROUGHT TO IDLE. .NO.1 N1 DECREASED TO 97% THEN STARTED TO INCREASE AGAIN AT THAT POINT WE MOVED NO.1 ENGINE START LEVER TO CUTOFF. THE ENGINE WAS AT FULL THRUST WHEN IT WAS CUT OFF & AIRCRAFT YOWED SOME WHAT. / REMOVED AND REPLACED NO.1 ENGINE PER MT 771-00-01 WORK ORDER 864397PN OFF: CFM6-7B S/N OFF: 864292PN ON: CFM56-7B24/3 SN ON:802122

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