As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 148 PBI-JFK, IN FLIGHT CREW REPORTED BURNING SMELL. CONDUCTED FUME / BURNING TEST OF ELECTRICAL AND LIVE TV SYSTEMS. NO BURNING SMELL DETECTED IAW 24-00-00-810-823A AND 23-39-00-810-801. PERFORMED ODOR SYSTEM INTEGRITY CHECK FOUND CAMERA CONTROL UNIT NR 4 INOP. REMOVED AND REPLACED CCU IAW LTV MM 23-39-00. OPS CHECK OK.