As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1150 - AFTER TAKEOFF MTY DURING CLIMB-OUT, LOST HYDRAULIC QUANTITY IN SYSTEM 2. ACCOMPLISHED HYDRAULIC SYSTEM 2 LOW QUANTITY CHECKLIST AND AIRCRAFT PROCEEDED TO DFW, LANDING WITHOUT INCIDENT. REPLACED SYSTEM NR 2 LEFT HYDRAULIC FILTER MANIFOLD. SERVICED HYDRAULIC SYSTEM AND ACCOMPLISHED GROUND ENGINE RUN. SYSTEM LEAK AND GROUND CHECKED NORMAL OPERATION. (M)