As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC PUMP DEM C1 LOW CENTER HYDRAULIC DEMAND PUMP NR 1 PRESSURE WHEN COMMANDED ON, OR CENTER DEMAND PUMP NR 1 OVERHEATED. STATUS MSG-2910420 LATCHD DC MODE MSG-2910420 LATCHED DC MODE MSG-2910450 LATCHED AP MODE. FOUND LOGIC SPEED CONTROL UNIT FAULTY. REPLACED AIR DRIVEN LOGIC SPEED CONTROL UNIT PER 29-11-15. AC OK FOR SERVICE.