As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COND R CAB VENT FAULT, ELECTRIC BURNING SMELL, SMOKE IN CABIN. TS REF A330 TSM 21-21-00-81 IDENTIFIED RE-CIRCULATION FAN (210HG) AS CAUSE OF BURNING SMELL. REMOVED AND REPLACED RIGHT RE-CIRCULATION FAN (210HG) REF AMM 21-21. OPS TEST PASS.