What was found
(CAN) AT FLIGHT LEVEL 450 RT AND LT EMERGENCY PRESSURIZATION CAME ON. SYSTEM TROUBLESHOT AND FOUND ECS CONTROLLER FOR THE EMERGENCY CONTROL VALVES FAULTY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) AT FLIGHT LEVEL 450 RT AND LT EMERGENCY PRESSURIZATION CAME ON. SYSTEM TROUBLESHOT AND FOUND ECS CONTROLLER FOR THE EMERGENCY CONTROL VALVES FAULTY.