As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - SEAT MOUNTED EMERGENCY LIGHTS ON RIGHT SIDE OF FIRST CLASS AND BACK TO HALF OF BUSINESS CLASS INOPERATIVE. REPLACED BATTERY PACK FOR SEAT MOUNTED EMERGENCY LIGHTS ON RIGHT SIDE OF FIRST CLASS AND BACK TO HALF OF BUSINESS CLASS. SYSTEM GROUND CHECKED NORMAL OPERATION.