As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTED AFTER TAKE OFF A ELECTRICAL BURNING SMELL IN GALLEY G5, FA TURNED OFF GALLEY DUCT HEATER AND SMELL DISAPAITED IMMEDIATLY. MAINTENANCE REMOVED AND REPLACED MID GALLEY AREA DUCT HEATER REF B787-A-21-45-30-01A-520A-A.