As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER HYD SYS QTY DECREASED TO ZERO & SYS PRESS & QTY LIGHTS ILLUMINATED. EICAS MSG, C HYD SYS PRESS & C HYD QTY DISPLAYED. THE CAUSE OF THE DROP IN HYD PRESS & QTY WAS A SPLIT & LEAKING HYD HOSE CONNECTED TO THE NOSE GEAR RETRACT ACTUATOR. THE HYD HOSE WAS REPLACED IAW AMM 20-11-00 & 32-34-01.