As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE A-SYSTEM HYDRAULICS FAILED ON DESCENT INTO DAYTON. USED ALTERNATE LANDING GEAR AND FLAP EXTENSION PROCEDURES. AIRCRAFT LANDED WITHOUT INCIDENT. FOUND LOWER RUDDER POWER CONTROL UNIT LEAKING. REPLACED LOWER RUDDER POWER CONTROL UNIT PER MM 27-20-00. LEAK CHECK GOOD. RESET MANUAL GEAR EXTENSION SYSTEM PER MM 32-30-00. (X)