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 LEFT FORWARD EXTERIOR EMERGENCY LIGHT AND EMERGENCY FLOOR TRACK LIGHTING BETWEEN ROWS 7-12 WERE FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY POWER SUPPLY UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)