As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - BRAKE PEDALS ARE STIFF ON APPLICATION AND BRAKING ACTION NOT SMOOTH. MAINTENANCE COMPLIED WITH A HIGH SPEED TAXI AT ABOUT 40 KNOTS (WITH CREW). APPLIED BRAKES AND FOUND ACTION TO BE NORMAL WITH NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.