As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED ON DESCENT THAT BRAKE ACCUMULATOR PRESSURE WAS ZERO WITH GEAR DOWN AND BRAKE PEDALS HAD NO RESISTANCE (FELT SPONGY). CREW WAS ADVISED THAT AIRCRAFT WOULD STILL HAVE NORMAL BRAKING AND ANTI-SKID AVAILABLE, BUT DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND CIRCUIT BREAKER C10 FOR YELLOW BRAKE PRESSURE TRIPPED. RESET BREAKER AND INSPECTED WIRING ON PRESSURE TRANSDUCERS WITH NO DEFECTS NOTED.