As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD B SYSTEM LO PR @ 34,000 FT. GROUNDED - YES. REMOVED AND REPLACED BLUE HYD PUMP WITH YELLOW HYD PUMP PER AMM 29-12-51 M. ACEVES 29858 -- SERVICED HYD BLUE SYSTEM TO FULL. REF AMM 12-12-29. OPS CHECK OF BLUE HYD SYSTEM PERFORMED. REF AMM 29-12-00. OPS CHECK GOOD.