As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CO-PILOTS BRAKES ARE SPONGY WITH EXCESSIVE TRAVEL BEFORE BECOMING EFFECTIVE. INSPECTED LT AND RT CO-PILOT BRAKE MASTER CYLINDERS FOUND LEAKING. REMOVED AND REPLACED LT AND RT BRAKE MASTER CYLINDERS WITH A OVERHAULED UNITS AND SECURED; BLED BRAKE SYST. AS REQUIRED. OPS CHECKED SATISFACTORY IAW MM CHAPTER 32-42-02.