As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ELEC BURNING SMELL AT TOP OF DESCENT, DISSIPATED IN 5 MIN. ODOR RETURNED, EMERGENCY DECLARED. FOUND LEFT RECIRC FAN C/B TRIPPED. RESET C/B. FOUND FAN SEIZED. PULLED AND COLLARED C/B FWD TO MCO PLACARD PER MEL 21-25-01A. MCC CONTACTED AND CONFERENCE. ETOPS CATEGORY 'F': ANY OTHER EVENT DETRIMENTAL TO ETOPS.