As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRAKES DO NOT WORK PROPERLY. HAVE TO PUSH DOWN BRAKE PEDALS VERY HARD AND STILL DOES NOT SLOW DOWN AIRPLANE PROPERLY. NEED MORE RUNWAY THEN USUAL TO STOP. REMOVED AND REPLACED BRAKE METERING VALVE IAW CE750 M/M CHAPTER 32-42-03. OPS AND LEAK CHECK GOOD. TAXI CHECK GOOD.