As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EQ4040 PRIMARY FLT CONTROL TEST FAILED, MESSAGE 27-10308. FLAPERON POWER CONTROL UNIT LT INBD ACTUATION CONFIDENCE TEST FAILED SEVERAL TIMES. RESET K26 CB & POWER SUPPLY CB ON 5E RACK, NO HELP. SWAPPED THE ACE WITH ANOTHER, NO HELP. SWAPPED THE ACE TO ORIGINAL POSITION.