As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4212 - DURING GROUND INSPECTION IN ATL, THE FORWARD EXIT SIGN OVER THE CABIN DOOR AND THE AFT EMERGENCY EXIT SIGNS WERE FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHTING POWER SUPPLY UNITS. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)