As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR MADE LOUD POP PASSENGER DOOR LIGHT ILLUMINATED PASSENGER DOOR CHIME, DEPRESSURIZED THE AIRCRAFT PER QRH. PERFORMED DVI OF PASSENGER DOOR, LINKAGE, AND PROX SENSORS IAW CRJ AMM 52-11-02 AND FIM 52-70-04 PERFORMED OPS CHECK OF PAX DOOR IAW CRJ AMM 52-10-00. OPS CHECK GOOD. PRESSURIZED A/C IAW CRJ AMM 21-31-00 W/ FLIGHT CREW NO LEAKS NOTED