What was found
UPON LANDING PILOT'S (LEFT SIDE) BRAKES VERY SOFT AND SPONGY. TRAVEL ALMOST TO THE STOPS BEFORE FIRM PRESSURE IS FELT. PUMPED UP TO NEAR NORMAL PRESSURE BUT SYSTEM WILL NOT SUSTAIN NORMAL BREAKING PRESSURE. COPILOT'S BRAKES NORMAL. INSPECTED BRAKE RESERVOIR, ACCUMULATOR AND BRAKES ASSY FOR LEAKS, WEAR INDICATORS; PILOT, CO-PILOT BRAKE PEDALS FOR LEAKS, NO DEFECTS NOTED, APPLIED POWER TO AIRCRAFT AND CHECKED BRAKES FOR OPERATION, NO DEFECTS NOTED FROM PILOTS OR CO-PILOTS. CONFERRED WITH TECH SERVICES, RETURN TO SERVICE IS OK. BLED BRAKES IAW 560 M/M 32-42-00, OPS CHECKS NORM. NO DEFECTS NOTED.