As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST HYD B SYSTEM FLUID WHILE SITTING ON TAXIWAY B HOLDING POSITION SHORT OF RUNWAY 20 AT SGF NR 1 B PUMP LOW PRESURE LIGHT FLICKERED; CAME ON STEADY, FOLLOWED QUICKLY BY NR 2 B PUMP LOW PRESSURE LIGHT ILLUMINATED STEADY. DETERMINED B SYSTEM PRESSURE LINE IN HYDRAULIC BAY RUPTURED AT B-NUT. REPLACED LINE IAW MM PRESSURIZED SYSTEM. OPS CKS NORMAL.