As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - EMERGENCY EXIT LIGHTS AND DOOR ARMED LIGHT BY DOORS 1R AND 2R FLASH ON GROUND AND IN FLIGHT. REPLACED POWER SUPPLY AT POSITIONS 4L AND 4R FOR EMERGENCY EXIT AND DOOR ARMED LIGHT BY DOORS 1R AND 2R. SYSTEM GROUND CHECKED NORMAL OPERATION.