What was found
AFTER TOUCHDOWN WHEN APPLYING BRAKES GRADUALLY BETWEEN 70 AND 80KTS THE LEFT MAIN BRAKE STARTS GRABBING AND SHIMMERING NOTICEABLY. WHEN BELOW ANTI SKID SPEED NO GRABBING NOR SHIMMERING IS OCCURRING. INSPECTED LT INBD AND OTBD BRAKE, WHEEL ASSEMBLIES AND SURROUNDING AREA WITH NO DEFECTS NOTED. REMOVED LH INBOARD AND OUTBOARD WHEEL ASSEMBLIES AND REMOVED GREASE FROM BRAKE ASSEMBLES. REMOVED EXCESSIVE BRAKE DUST FROM BRAKE ASSEMBLIES WITH NITROGEN. INSTALLED LH INBOARD AND OUTBOARD WHEEL ASSEMBLIES. ALL WORK REF. MM 32-41-00 AND 32-41-20.