As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED THAT THE R2 DOOR WAS INDICATING OPEN WHEN CLOSED. MAINTENANCE DISCOVERED THAT THE R2 DOOR SENSOR HARNESS ASSY WAS DAMAGED. THE CONDUIT AND WIRE WERE BROKEN AT THE CLAMP IN THE AREA WHERE IT FLEXES (BETWEEN CONNECTOR 3261-J62 AND P10). THE HARNESS HAD BEEN INSTALLED SINCE THE AIRCRAFT WAS DELIVERED. UPON HARNESS REPLACEMENT, THE AIRCRAFT WAS SUBSEQUENTLY RELEASED FOR SERVICE.