As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2404 - EWR - FLIGHT CREW REPORTED SIDE LIGHTS AT 2A AND 3A INOPERATIVE WITH BURNING SMELL COMING FROM BALLAST. EWR MX REMOVED AND REPLACED BALLAST IAW WMB 145 AMM 33-21-03 AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.