As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - MAINTENANCE FOUND THE EMERGENCY EVACUATION LIGHTS FOR SEAT ROWS 12 THROUGH 18 AND 20 THROUGH 23 ABC INOPERATIVE. MAINTENANCE REMOVED AND REPLACED BATTERY CHARGER M1136 AND M1197. ALSO, REPLACED THE BATTERY (P/N AD2013-1A) IN BATTERY CHARGER M1197. OPERATIONAL CHECK GOOD. (M)