# SDR SWAA2013042315055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2013
- Submitted: April 23, 2013
- Operation: Air carrier
- Aircraft: N723SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27855
- Aircraft time: 51,680 hours, 30,276 cycles
- Engine: Cfmint CFM567B22
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CFM567824622
- Part serial: 874259
- Condition: Malfunctioned
- Location: Left
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2013042315055

## Discrepancy

IN FLIGHT SHUTDOWN/DECLARED EMERGENCY.  NR 1 ENGINE LOW OIL BYPASS LIGHT INDICATION.  REMOVED AND REPLACED NR 1 ENGINE PER MT.

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