As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKEOFF FOR YELLOW HYD LOW PRESS. THEN WHILE DOING FLIGHT CONTROL CHECK, NOTICED THE YELLOW HYD FLUID LEVEL DECREASING. AMM: 12-14-29-00 FOUND THE YELLOW SYSTEM ACCUMULATOR TO BE UNDERSERVICED. SERVICED IT ACCORDING TO AMM. OPERATED THE FLIGHT CONTROLS WHILE RUNNING THE NO 2 ENGINE PER JRH, AND FOUND NO LOSS OF HYDRAULIC PRESSURE. NO MESSGAES AND NO LIGHTS.NO LOSS OF FLUID LEVEL WAS NOTED. NO EVIDENCE OF LEAKS NOTED.OPS AND LEAK CHECK GOOD. SYSTEM ALSO OPERATED PROPERLY ON ELECTRIC PUMPS.