As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ECAM: NAV ADC FAULT 2 FAULT WAS INTERMITTENT EVERY 30 SECONDS / USE EMERGENCY CANCEL TO STOP AUDIO ALERT TROUBLESHOT PER TSM CH 34-10-00-101 FIGURE 103. PERFORMED BITE TEST OF ADC #2 BOX. NO FAULTS FOUND. PERFORMED BITE TEST OF ADC #2 SYSTEM PER AMM CH 34-10-00-501. NO FAULTS FOUND. AIRCRAFT OK FOR SERVICE. WORK PERFORMED BY CAT CERTIFIED MECHANIC