As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 HYDRAULIC PUMP FAILED ON TAKEOFF ROLL. REMOVED PUMP AND INSPECTED BUT FOUND NO OBVIOUS PHYSICAL DEFECTS. REMOVED HYDRAULIC SYSTEM FILTER AND INSPECTED FOR DEBRIS, NONE NOTED. INSTALLED SERVICEABLE HYDRAULIC PUMP IN NR 1 POSITION, ALL SYSTEMS FUNCTION NORMALLY. (K)