As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - MAIN BRAKES APPEARED SLOW TO ENGAGE DURING LANDING. A GREAT AMOUNT OF BRAKE PEDAL FORCE WAS REQUIRED BEFORE A/C BEGAN TO SLOW BRAKE RESPONDED WAS BETTER WHEN ANTI-SKID WAS TURNED OFF. REPLACED LT OUTBOARD WHEEL SPEED TRANSDUCER, AND REPAIRED CHAFED WIRES. PERFORMED TAXI CHECK, CHECKS OK. RETURNED TO SERVICE.