As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - EEL - NR 3859651 - DURING OVERNIGHT INSPECTION DISCOVERED CABIN EMERGENCY LIGHTS FAILED TEST. MAINTENANCE REMOVED AND REPLACED EPSU, OPERATIONAL CHECKS WERE GOOD. L1 AND R1 DOOR EXIT LIGHTS FAILED TO ILLUMINATE, REPLACED THE FWD CABIN 10WL EMERGENCY POWER SUPPLY.