As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW INFLIGHT T997/26AUG. CREW REPORTED INDICATION OF LT HAND HYDRAULIC QUANTITY LOSS. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED BROKEN PACKAGING ON FILTER CAP IN NR 12 SPOILER ACTUATOR. SYSTEM GROUND CHECKED NORMAL OPS. ETOPS OPERATION.