What was found
AFTER LANDING, DURING TAXI. AS ACFT WAS MAKING A LT TURN OFF OF TAXIWAY, BRAKING SYS BECAME UNRESPONSIVE TO LT TURN & RUDDER BRAKE INPUT. WAS ABLE TO GET ACFT STOPPED WITHOUT INCIDENT BY APPLYING FULL RT BRAKE APPLICATION. ACFT SHUTDOWN. TROUBLESHOT ACFT AND R & R THE FOLLOWING COMPONENTS. PILOT'S LT BRAKE MASTER CYLINDER AND THE LT BRAKE ASSY. MX THOROUGHLY BLED THE BRAKE SYS AND A GROUND OPS CHECK WAS PERFORMED WITH NO DEFECTS NOTED. ALL WORK COMPLETED IAW MM 32-41-00 AND 32-40-00.