As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 3 FAIL, HYD 3 QTY DECREASED TO 0 (ZERO). FUEL DUMPED AND EMERGENCY GEAR EXTENSION IAW JQH. R & R NR 3 UPPER AND LOWER HYD EDP IAW AMM 29-11-20-4. TURN OVER TO NEXT SHIFT FOR LEAK CHECK AND TEST. CHECK FOUND HYD LEAKED FROM THE CASING OF NR 3 HYD HORIZ STAB TRIM MOTOR. R & R MOTOR IAW AMM27-43-30-4. TURNOVER TRIM MOTOR BLEED HORIZ STAB TEST AND LEAK CHECK TO NEXT SHIFT.