As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX HANDLE DOOR CAUTION IN FLIGHT. PASSENGER DOOR WARNING ON THE GROUND WITH THE DOOR CLOSED AND SECURED. INSPECTED PAX DOOR SENSORS AND WIRING, NO DEFECTS NOTED. CLEANED SENSORS, PERFORMED OPERATIONAL CHECK OF DOOR AND WARNING SYS IAW AMM 52-70-00 AND 52-70-04. OPS GOOD.