As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, ON POSTFLT INSP THE CONTROL SURFACE POSITION INDICATING SYS INDICATED L/R OUTBOARD AILERON DROP OF EQUAL PROPORTIONS DOWN W/ELEC PUMPS AND ENG PUMPS ON VISUAL INSP CONFIRMED DROP. OPERATION OF AILERONS W/HYDRAULICS IS NORMAL. NO FAULTS NOTED. OPS TEST PER AMM27-02-00-736.