As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJC - CREW REPORTED RIGHT ENGINE OIL FILTER CLOGGED INDICATION ILLUMINATED ON CLIMBOUT. EMERGENCY DECLARED RETURNED SJC LANDED WITHOUT INCIDENT. INSPECTED RIGHT ENGINE OIL FILTER AND FOUND CARBON DEPOSITS BUT NO METAL. REPLACED OIL FILTER. SYSTEM GROUND CHECKED NORMAL OPERATION.