As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL - INFLIGHT SAT-ORD. LEFT ENGINE OIL STRAINER CLOG LIGHT ILLUMINATED. EMERGENCY DECLARED, LANDED TUL WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NEW FILTER. FOUND OIL DIFFERENTIAL SWITCH BAD REPLACED WITH SWI3004.