As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - AIL LOCK LIGHT ILLUMINATED AT LOW SPEED. EICAS MESSAGE AILERON LOCKOUT DISPLAYED. OTBD AILERONS DID NOT INDICATE MOVEMENT. AT FLAPS 20 MESSAGE CLEARED. TROUBLESHOT IAW FIM 27-11-00 FIG 104 SHEET 3 BLOCK 67. THE SYS IS OK OPS CHECK NORMAL, OK FOR SERVICE.