As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRAKES ARE SPONGY. INSPECTED BRAKE SYS AND TAXIED ACFT. COULD NOT DUPLICATE THE SPONGY BRAKES. INSPECTED ALL 4 BRAKE MASTER CYLINDERS AND FOUND ALL 4 NEEDED SERVICE, SERVICED ALL 4 BRAKE MASTER CYLINDER TO FILL IAW MM 32-40-00-301. TAXIED ACFT AGAIN, BRAKE SYS OPS CHECKED GOOD.