As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO LAND 3 MESSAGE DUE TO RT AILERON SERVO FAULT. NO LAND 3 CAME ON A FEW TIMES. FAILED ON EACH OF THE LAST 12 LEGS WITH MESSAGE: NO LAND 3 AIL SRVO-FCCR. REPLACED R FLT CNTRL COMPUTER. NO HELP REINSTALLED ORIGINAL. SUSPECT AILERON SERVO VALVE NEEDS REPLACEMENT. AILERON LOCKOUT EICAS AT 14000 FT 230 KT ON DESCENT REPLACED SERVO VLV. ACCOMPLISHED MCDP GROUND TEST. ALL OK. SUSPECT VALVE STICKING.