# SDR SWAA2017012311318

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2017
- Submitted: January 24, 2017
- Operation: Air carrier
- Aircraft: N738CB
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27870
- Aircraft time: 62,452 hours, 36,428 cycles
- Engine: Cfmint CFM567B22
- Engine time: 568 hours, 343 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CFM567B24G22
- Part serial: 889468
- Condition: Warning Message
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2017012311318

## Discrepancy

THE OIL FILTER BYPASS ALERT FOR NR 2 ENGINE ILLUMINATED, REACHING FL390. RAN QRH, SHUTDOWN ENGINE, DECLARED AN EMERGENCY, AND RETURNED TO DEPARTURE.  R & R THE NR 2 ENGINE IAW MT.

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