As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA INFLIGHT - CREW NOTICED BRAKE ACCUMULATOR HYDRAULIC PRESSURE LOSS DURING CLIMB. DECLARED EMERGENCY AND LANDED MIA WITHOUT INCIDENT. AIRCRAFT WAS NOT OVERWEIGHT FOR LANDING. REPLACED YELLOW HYDRAUCLIC SYSTEM PRESSURE TRANSMITTER PER WORK CARD 7916. SYSTEM GROUND CHECKED NORMAL OPERATION.