As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD CREW REPORTED RT HYD QTY DOWN TO ZERO DURING CLIMBOUT. GEAR MANUALLY EXTENDED. EMER DECLARED FLIGHT RETURNED ORD LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED RT ELEC HYD PUMP & ENG DRIVEN PUMP MPN 3029981001. SYS GND CHECKED NORMAL, OPERATIONS CLOSED.