# SDR SWAA106549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2010
- Submitted: October 22, 2010
- Operation: Air carrier
- Aircraft: N402WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29814
- Aircraft time: 35,255 hours, 20,316 cycles
- Engine: Cfmint CFM567B22
- Engine time: 8,531 hours, 5,118 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Engine
- Condition: Stalled
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA106549

## Discrepancy

AIR TURNBACK/ DECLARED EMERGENCY.  COMPRESSOR STALL ON NR 1 ENGINE AFTER TAKEOFF AT 4000FT.  REMOVED AND REPLACED NR 1 ENGINE PER MM.

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