# SDR SWAA2025091513812

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2025
- Submitted: September 15, 2025
- Operation: Air carrier
- Aircraft: [N465WN](https://openairdocs.org/aircraft/N465WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33829
- Aircraft time: 70,352 hours, 42,224 cycles
- Engine: Cfmint CFM567B242
- Engine time: 53,786 hours, 32,406 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CFM567B24
- Part serial: 894942
- Condition: Failed
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: Y, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025091513812

## Discrepancy

NUMBER 1 ENGINE FAILED AFTER TAKEOFF,  LOUD BANG,  N1 DROPPED TO APPROX 16%,  EGT REMAINED IN THE YELLOW.  NO NOTICEABLE SMELL OF SMOKE  R & R NR 1 ENGINE IAW MT 771-00-01.

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