As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF THE OUTBOARD FLAPS WOULD NOT RETRACT BEYOND POSITION 2. RETURNED TO ORD. ON APPROACH TO GATE SYSTEM A HYDRAULIC FLUID QUANTITY WENT TO ZERO. *S/D* REPLACED NR 5 RIGHT WING MIDDLE KRUEGER FLAP ACTUATOR PER MAINTENANCE MANUAL. SERVICED HYDRAULIC SYSTEM. OPS CHECK GOOD.