As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3317 "HYD Y ENG 2 PUMP LO PR" "Y SYS LOW PR". CORRECTIVE ACTION: REMOVED FLEX LINE FROM Y PRES LINE FROM FIREWALL FOR PRES SENSE. LINE OBSTRUCTED. REPLACED CASE DRAIN FILTER. INSTALLED FLEX LINE. REPLACED YELLOW HP FILTER AND Y ENG PRESSURE SWITCH. (7350400)