As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF WHEN NOSE GEAR RETRACTED AN AUDIBLE BANG FOLLOWED BY LOSS OF ALL A SYS HYD QUANTITY. REMOVED AND REPLACED NOSE WHEEL CENTERING HYDRAULIC HOSE ASSY PER MM 20-10-05. PERFORMED SYSTEM BLEED AND HYD. PTU OPS CHECK PER MM 29-20-04.