As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSHBACK AND ENGINES STARTED EICAS MESSAGE AILERON LOCKOUT DISPLAYED, AIRCRAFT RETURNED TO BLOCK. AIRCRAFT WAS GROUNDED. T/S IAW B767 FIM 27-11 FT 804 FAULT CONFIRMED BAD LT AILERON LOCKOUT ACTUATOR. REMOVED AND REPLACED LT AILERON LOCKOUT ACTUATOR, IAW B767 AMM 27-11-44, OPS CK GOOD PER AMM 27-11-44. THIS ACTION CLEARS DI 16933, PLACARDS REMOVED, REACTIVATION PROCEDURES APPLIED.