As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO ATL DUE TO A BURNING SMEEL IN THE REAR OF THE AIRCRAFT. THE AIRCRAFT LANDED SAFELY AT ATL WITHOUT FURTHER INCIDENT. MAINTENANCE FOUNF THE AVIONICS VENT BLOWER FAN MOTOR 20HQ MAKING EXCESSIVE NOISE WITH A BURNING SMELL ALONG WITH A ECAM VENT BLOWER FAULT MESSAGE. MAINTENANCE REPLACED THE AVIONICS VENT BLOWER FAN MOTOR 20HQ PER AMM 21-26-51. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.