As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - EMERGENCY LIGHTS ON RIGHT SLIDE OF AIRCRAFT FROM SEAT ROW 20 FORWARD AND OVERWING EXIT LIGHTS INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERY PACKS AT SEAT ROW 20 AND FOR FORWARD ENTRY OVERHEAD AND OVERWING EXIT. SYSTEM GROUND CHECKED NORMAL OPERATION.