As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 371 - PHX - EEL - AFT EMERGENCY EXIT LIGHTS OVER CENTER AISLE & OVER BOTH AFT DOORS FLICKER & MAKE AN AUDIBLE CLICKING SOUND. ALSO ON ECAM DOOR PAGE BOTH AFT DOOR SLIDE LIGHTS FLICKER ON AND OFF. MAINTENANCE REMOVED AND REPLACED THE AFT EMERGENCY EXIT LIGHT BATTERY PACK IAW MM 33-51-38.