As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BWI - FLT 2190 - FLIGHT EN RUOTE ORD TO PHL, WHEN NR 2 ENGINE FILTER BYPASS LIGHT CAME ON AND NR 2 ENGINE SHUTDOWN. FLIGHT DIVERTED TO BWI WHERE LANDING WAS WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED OIL FILTER BYPASS SWITCH AND ENGINE OIL FILTER. (M)