As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YYR INFLIGHT T88/02NOV ORD TO BRU - LEFT ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED. CREW SHUT DOWN LEFT ENGINE. LANDED YYR WITHOUT INCIDENT. SINGLE ENGINE TIME SIX MINUTES. REPLACED OIL SCAVENGE FILTER. NO DEBRIS FOUND ON OIL SCAVENGE FILTER. REPLACED OIL FILTER DIFFERENTIAL PRESSURE SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION.