As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VARIOUS EMERGENCY AND OVERHEAD LIGHTS IN THE CABIN ARE RANDOMLY FLASHING ON INCLUDING 2L, 2R, 3L AND 3R EXIT LIGHTS. ATTEMPTED A CIDS COMPUTER RESET PER QRH - NO HELP. MAINTENANCE PERFORMED OPERATIONAL CHECK OF EMERGENCY LIGHTS IAW AIRBUS MAINTENANCE MANUAL 33-51-00-710-001A WITH NO FAULTS FOUND AND NO HISTORY.