As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELE BURNING SMELL 4L/4R AFTER T/O RETURNED TO AIRPORT SMELL DISAPATED.AIRCRAFT HAS NO HISTORY AND NO CURRENT FAULTS DURING BITE CHECKS OF IFE SYSTEMS (CHECKED MONITORS SYSTEMS. AND POWER OUTLETS),OPERATED OVENS AND COFFEE MAKERS, OPERATED LEFT AND RIGHT PACKS. NO ABNORMAL BURNING SMELLS WERE PRESENTED DURING TROUBLESHOOTING