As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) #2 ENGINE WAS SHUTDOWN IN FLIGHT, AIRCRAFT DIVERTED, DUE TO ENGINE OIL FILTER BYPASS LIGHT ON. OIL BYPASS PRESSURE SWITCH REPLACED. FURTHER TROUBLESHOOTING TO BE CARRIED OUT AS FILTER BYPASS LIGHT DID NOT GO OUT ON ENGINE START UP.