As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE CREW RECEIVED A RT REAR SERVICE DOOR WARNING MESSAGE. THE DOOR WAS CYCLED AND THE MESSAGE CLEARED BUT RETURNED LATER. THE DEFECT WAS DEFERRED IAW THE MEL. UPON MAINTENANCE INVESTIGATION A BROKEN WIRE WAS FOUND AT THE RT AFT SERVICE DOOR HINGE ARM NEAR CONNECTOR 3261-P62. THE WIRING HAS BEEN REPAIRED.