What was found
DURING CRUISE FROM YYZ, THE PRIMARY STAB TRIM CB POPPED OUT. AIRCRAFT LANDED BACK TO YYZ. MAINTENANCE FOUND THE PRIMARY TRIM ACTUATOR IN FAULT. ACTUATOR WAS REPLACED AND AIRCRAFT DISPATCHED SERVICEABLE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CRUISE FROM YYZ, THE PRIMARY STAB TRIM CB POPPED OUT. AIRCRAFT LANDED BACK TO YYZ. MAINTENANCE FOUND THE PRIMARY TRIM ACTUATOR IN FAULT. ACTUATOR WAS REPLACED AND AIRCRAFT DISPATCHED SERVICEABLE.