As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC PRESSURE AND FLUID LOSS ON CLIMB-OUT. AIRCRAFT RETURNED TO ILN. FOUND LEFT MLG BOGIE TRIM CYLINDER BLOWN. REMOVED AND REPLACED CYLINDER IAW DC 8 MM CHAPTER 32. REMOVED AND REPLACED NR 2 AND NR 3 ENGINE HYDRAULIC PUMPS AND ASSOCIATED FILTERS. BLED HYDRAULIC SYSTEM AND PERFORMED LEAK CHECK IAW DC 8 MM CHAPTER 29.