As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT AFT OVERWING EMERGENCY EXIT OPEN ELECTRONIC CENTRALIZED AIRCRAFT MONITORING (ECAM) WARNING DURING CLIMB THROUGH FL 200. NO DEPRESSURIZATION. ECAM DISAPPEARED IN DESCENT BELOW 8000 FEET. FOUND EMERGENCY HANDLE COVER PROXIMITY SWITCH OUT OF TARGET. ADJUSTED TARGET AND TEST OK.