What was found
L/E SLAT DISAGREE EICAS MSG DISPLAYED. RAN CHECKLIST, CONDITION REMAINED UNCHANGED. RAN L/E SLAT ASSYMETRY CHECKLIST, PROCEEDED TO SAT AT FL 180 AND 230 KTS. LANDED WITHOUT INCIDENT. INSPECTED AND LUBED LEFT WING L/E PER MM 12-21-08-3. REMOVED AND REPLACED NR 3 O/B T ROTARY ACTUATOR PER MM 27-81-18-4 DUE TO OVERLOAD IND POPPED. PERFORMED ADJ/TEST REQUIRED PER MM 27-81-00-5. NO DEFECTS NOTED AT THIS TIME.