As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB AT FL290, RECV'D "HYD 2 LO PSI" CAUTION. SYS PAGE SHOWED HYD 2 QUANTITY @ 5%. EDP2 WAS IN YELLOW WITH NO FLOW LINE. C/W QRH. EDP2 OPERATED FOR 57 MINS WITHOUT FLUID. AIRCRAFT REMOVED FROM SERVICE. R&R ACMP #2B IAW AMM TASK 29-11-03-100-801 P/N:848847, S/N OFF:MX670652, S/N ON:MX664373. R/R #2 HYD RESERVOIR IAW AMM 29-11-30