As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OUTBOARD AILERON LOCKOUT EICAS MESSAGE DISPLAYED MOMENTARILY AT 285KTS, NO AILERON MOVEMENT OBSERVED. UNABLE TO DUPLICATE. NO EICAS MESSAGE NOTED ON ARRIVAL. PERFORMED AILERON POSITION INDICATING SYSTEM TEST IAW AMM 27-18-00 & 501, NO ISSUES.