What was found
AT JFK, ON WEEKLY EMERGENCY LIGHT SYSTEM TEST HAD EPSU LEFT FAILURE. REMOVED AND REPLACED LEFT EPSU AND GROUND OPS CHECKED OK PER MM 33-51-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT JFK, ON WEEKLY EMERGENCY LIGHT SYSTEM TEST HAD EPSU LEFT FAILURE. REMOVED AND REPLACED LEFT EPSU AND GROUND OPS CHECKED OK PER MM 33-51-00.