What was found
AFTER LANDING DURING TAXI BRAKE DEGRADED MSG, CAUTION, ON EICAS. BRAKING & STEERING DURING LANDING & TAXI NORMAL. BRAKE TEMPS NORMAL, GREEN. UPON INSPECTION FOUND NR 4 WHEEL SPEED TRANSDUCER FAILED TWICE. R & R NR 4 WHEEL SPEED TRANSDUCER & OPERATIONS CHECKED GOOD IAW AMM 32-41-03 & 32-41-00.