As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLIGHT CABIN CREW REPORTED ELECTRICAL BURN ODOR FROM THE AFT CABIN. FAULT ISOLATED TO THE AFT RT FAN HEATER FIN NR 28HC. CB’S WERE PULLED AND ODOR DISAPPEARED. SYSTEM WAS PLACED ON MEL DUE PART IS NIL STOCK. (TC NR 20070424002)