What was found
LEFT BRAKE ON CAPTAIN'S SIDE LOSS OF ALL BRAKING, PEDAL GOES TO THE FLOOR. BLED NR 1 BRAKE HIGH PRESSURE LINE IAW JIC 32-42-00 BLD 10010, BLED ENTIRE LOW PRESSURE SYSTEM IAW JIC 32-42-00 BLED 10000, PERFORMED INSPECTION OF MASTER CYCLINDER, RESEVIOR, METERING VALVE, BRAKE LINES, FILTERS AND FILTERS. NO LEAKS FOUND. PERFORMED ENGINE RUN TAXIED AIRCRAFT TO CHECK BRAKE SYSTEM THE SYSTEM CHECKED GOOD. AIRCRAFT RETURN TO SERVICE.