As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACRID ELECTRIC BURNING SMELL IN AFT AIRCRAFT 25 MINS AFTER TAKEOFF. CKED AFT GALLEY AND ALL CARGO COMPT FOR EVIDENCE OF SMELL. CKS OK, FOUND BALLAST IN AFT GALLEY HOT. REPLACED 2 AFT GALLEY BALLASTS AND DISCONNECTED REMAINING 2. FWD TO MCO AND PLCD PER MEL 33-21-01A.