As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR: AMBER CABIN DOOR OPEN CAS MESSAGE WILL NOT CLEAR. WE HAD PLANE PLANE GO DARK. WE OPENED AND CLOSED DOOR 6X TIMES IN A ROW TO RESET, NO LUCK PERFORMED OPS CHECK OF DOOR WARNING SYSTEM IAW CE-680 MM 52-70-00 SEVERAL TIMES, EICAS MESSAGE CLEARED EVERY TIME MCD CLOSED. OPS CHECKS GOOD. NO FURTHER MAINTENANCE REQUIRED.