As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - DURING B CHECK, FOUND SEAT MOUNTED EMERGENCY LIGHTS ON RIGHT AFT CABIN FROM ROWS 28 BACK INOPERATIVE. REPLACED BATTERY PACK FOR SEAT MOUNTED EMERGENCY LIGHTS ON RIGHT AFT CABIN FROM ROWS 28 BACK. SYSTEM GROUND CHECKED NORMAL OPERATION.