As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ACFT SNAGGED LT BRAKE UNSERVICEABLE. FOUND COTTER PIN MISSING THAT SECURES BOTTOM OF BRAKE CYLINDER ONTO SHAFT ALLOWING SIDE MOVEMENT OF BRAKE CYLINDER WHEN THE BRAKES ARE APPLIED. IT IS BELIEVED THE COTTER PIN BROKE INTO PIECES AND ALLOWED THE CYLINDER TO MOVE. COTTER PIN, PN: MS24665-24. IPC SECTION 32-40, FIG 04, ITEM 70.