As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - DURING OPERATIONAL TEST OF EMERGENCY LIGHT SYSTEM ON OVERNIGHT CHECK, MAINTENANCE FOUND THE FIRST CLASS SEAT EMERGENCY LIGHTS FAILED TO FULLY ILLUMINATE. MAINTENANCE REPLACED A BLOWN FUSE FOUND IN THE BATTERY CHARGER AND REMOVED AND REPLACED THE BATTERY PACK (PN 2013-1ALP). OPERATIONAL CHECK GOOD. (X)