As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF NR1 HYDRAULIC SYSTEM LOW QUANTITY LIGHT CAME ON. TOTAL LOSS OF FLUID. UNABLE TO RETRACT GEAR. SPLIT FLAP INDICATION HYDRAULIC LEAK OR LOSS CHECKLIST NR1 SYSTEM COMPLETED. AIRCRAFT LANDED OVERWEIGHT. HYDRAULIC RETURN LINE PUNCTURED ON RIGHT HAND WING INBOARD WINGTRAILING EDGE FLAP POWERDRIVE UNIT. NEW LINE INSTALLED.