What was found
CLIMBING, GOING TO 12,000 FT, RECEIVED A DUAL HYD SYS FAILURE OF SYSTEMS 1 & 3. PRESS ON BOTH SYS WAS 0, BOTH BRAKE READINGS WERE AT 0, FLUID QTY ON TAXI CHECK WAS 80/70/75 ON ALL 3 SYSTEMS. HYD TEMPS NORMAL. RAN QRH FOR COMBINED FAILURE HYD 1 LO PRESS & HYD 3 LO PRESS. COULD NOT REGAIN SYSTEM 1. PUMP 1A & 1B BOTH NOT PROVIDING PRESS, 3A & 3B NOT PROVIDING PRESS. ABOUT 10 MINS OF CYCLING PUMP SWITCHES & TS, GAINED USE OF PUMP 3B & ABLE TO GET PRESS IN SYS 3, HELD AT 2800 PSI. IB & OB BRAKE PRESS REMAINED AT 0 THROUGHOUT LANDING. DECLARED AN EMER & DIVERTED TO OAK. ALL FAILURES WERE THE RESULT OF THE FAILED CBP 2 BUSSBAR & ON REPLACEMENT, NO FURTHUR EICAS MESSAGES WERE PRESENT. ALL STATED SYSTEMS OPS CKD GOOD.