As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - EMERGENCY LIGHTS AT LEFT SIDE SEAT 18C THROUGH 28C INOPERATIVE. REPLACED UNIT AND BATTERY PACK (BPS73 FROM RADIANT POWER) FOR EMERGENCY LIGHTS AT LEFT SIDE SEAT 18C THROUGH 28C. SYSTEM GROUND CHECKED NORMAL OPERATION. SYSTEM GROUND CHECKED NORMAL OPERATION.