As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE OFF ROLL AUTO PILOT DISCONNECTED WITH AURAL HORN & RED ECAM. NO AUTOPILOT ENGAGED AT THE TIME. REPEATED SEVERAL TIMES DURING TAXI BACK TO GATE. CONDUCTED AUTOLAND TEST AND TEST FAILED FOR NR 2 FCC. R & R THE NR 2 FCC AND OPS CHECKED GOOD MM 22-18-34-04 AND CONDUCTED AUTOLAND TEST IAW MM 22-40-00-05. ALL TESTS PASSED 30 DAY AUTOLAND TIMER TO BE RESET.