As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN ACCUMULATOR PRESSURE DROPPED TO ZERO. DID EMERGENCY PROCEDURES. UPON LANDING PRESSURE CAME BACK. CHECKED HYD PUMP AUTO SWITCH FUNCTION, CLEANED MAIN ACCUMULATOR PRESSURE TRANSMITTER CONNECTOR. HYD QTY CHECKED GOOD NO DEFECTS NOTED. (M)