As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT ENTRY DOOR LIGHT ILLUMINATED ON CLIMB, DIVERTED TO ONTARIO AIRPORT. LANDED IN ONTARIO WITHOUT INCIDENT. INSPECTED AND CHECKED AFT L2 AS PER AMM 52-10-00-810-801 AND AMM 52-13-00-5. PERFORMED BITE CHECK AS PER FIM 32-09-00-810-801. FAULT INTERMITTENT, AIRCRAFT OK FOR SERVICE. AIRCRAFT RETURNED TO SERVICE.