As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOT OF HYDRAULIC SYSTEM "B" INFLIGHT. POP OUT CIRCUIT BREAKERS ENGINE 2 PUMP DEPRESS VALVE 1 AND 2 AND SYST "B" STANDBY RUDDER. (QRF RETURN TO AIRPORT). CORRECTIVE ACTION PENDING. FURTHER INFORMATION TO BE REPORTED AS SOON AS AVAILABLE.