As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT DECLARED A PAN PAN DUE TO DUAL FMS FAILURE. FLIGHT WAS ABLE TO EVENTUALLY GET ONE FMS BACK ONLINE AND FLIGHT CONTINUED TO DESTINATION. RESOLUTION REPLACED R/H FMC CDU AS PER AMM 34-61-02-022-193 -CHKD SERV (TC# 20190625008)