What was found
CREW REPORTED, ON TOUCHDOWN, LT MAIN GEAR BRAKE APPEARED TO LOCK UP. DIRECTIONAL CONTROL PARTIALLY MAINTANED, BUT DID VEER OFF RUN WAY ON TO GRASS APRON. MX INSPECTED LT MAIN GEAR AND FOUND TORQUE LINK CTR PIVOT BOLT AND ASSOCIATED HARDWARE MISSING. R & R LT MAIN GEAR UPPER AND LOWER TORQUE LINK ASSEMBLIES AS A PRECAUTIONARY MEASURE. ACFT RETURNED TO SERVICE.