What was found
(CAN) DURING TAXI OUT CREW LOST YELLOW HYD SYS. FOUND AT FAULT RT NR 4 SPOILER ACTUATOR. ACTUATOR REPLACED, YELLOW HYD SYS FILLED AND TESTED SERVICEABLE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING TAXI OUT CREW LOST YELLOW HYD SYS. FOUND AT FAULT RT NR 4 SPOILER ACTUATOR. ACTUATOR REPLACED, YELLOW HYD SYS FILLED AND TESTED SERVICEABLE.