As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER DOOR WARNING LIGHT ILLUMINATED IN FLIGHT. INSPECTED DOOR CLOSED SENSOR & OVER CENTER PROXIMITY SENSOR WIRING & CONNECTIONS. PERFORMED DETAILED VISUAL INSPECTION & OPERATION CHECKED DOOR, PRESSURIZED ACFT TO 3 PSI WITH NO LEAKS OR WARNING.