As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B-SYSTEM HYD LOW PRESSURE ENGINE LIGHT CAME ON. HYD FLUID DECREASED FROM 105 TO 0 PERCENT. REPLACED EDP REF MM 29-11-400. OPS CHECK AND LEAKS CHECK GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1384130 S/N OFF 05888 PUMP, HYD ENG D OFF 29-2910-9-0003 5888 ON 29-2910-9-0003 3780.