As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE CLIMB OUT THE CREW RECEIVED A "R 10TH STAGE DUCT" MASTER WARNING MESSAGE. THE QRH CHECKLIST REQUIRED THE CREW TO RETARD THE RT THRUST LEVER TO IDLE. A SINGLE ENGINE APPROACH AND LANDING WERE COMPLETED WITHOUT FURTHER INCIDENT. MAINTENANCE INVESTIGATED AND FOUND THE LOOP B ELEMENTS P/N 35613-2-310 AND 35613-2-310 TO BE AT FAULT.