As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PITCH TRIM COMPUTER HAS A 3 AMP FUSE INSTALLED. THE PITCH TRIM MOTOR IS RATED TO DRAW UP TO 6 AMPS UNDER HEAVY LOAD SITUATIONS. ANY TIME PITCH MOTOR DRAWS HEAVY LOAD, INTERNAL PITCH COMPUTER 3 AMP FUSE BLOWS, DISABLING AUTO PILOT SYSTEM. THE MFG IS AWARE OF THIS PROBLEM,BUT IS OFFERING NO VIABLE SOLUTION. AUTO PILOT SYS PLACARDED INOPERATIVE AND DEFERRED.