As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED LT BRAKE FAILED. RUDDER PEDAL APPEARS DISCONNECTED FROM CYLINDER. INSPECTED & FOUND THE CONNECTING CLEVIS PIN HAD FALLEN OUT DUE TO BROKEN COTTER PIN. MX THEN RE-CONNECTED LT RUDDER PEDAL TO BRAKE CYLINDER IAW MM CH 20-10-01.