As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED POOR BRAKING ACTION WITH HEAVY FOOT PRESSURE REQUIRED. DURING STATIC TEST AFTER LANDING BRAKES WERE UNABLE TO HOLD AT 50 PERCENT ENGINE POWER. MAINTENANCE PERFORMED FULL POWER RUNS WITH NO DISCREPANCIES NOTED, COULD NOT DUPLICATE PROBLEM.