As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT BRAKE PEDAL ON PILOT SIDE EXTREMELY SOFT AND ESSENTIALLY INOP. ALL OTHER BRAKE PEDALS AND LEVERS WORK AS REQUIRED. INSPECTED AND FOUND PILOTS LT MASTER CYLINDER 2 TABLESPOONS LOW ON FLUID. SERVICED LT MASTER CYLINDER. INSPECTED BRAKE LINES FROM SAID MASTER CYLINDER TO BRAKE CONTROL VALVE WITH NO LEAKS NOTED. BLED PILOTS LT MASTER CYLINDER IAW MM 32-40-00. OPS & LEAK CHECKED AND TAXI CHECKED GOOD AT THIS TIME.