As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU FLT 1037, EN ROUTE PHL TO SJU. DURING THE OPERATION OF THE AIRCRAFT, A BURNING ODOR WAS DETECTED IN THE FLIGHT DECK. AN ECAM WARNING OF BLOWER FAULT WAS GENERATED AROUND THE SAME TIME. THE CREW FOLLOWED PROCEDURES FOR THE WARNING AND COMPLETED THE FLIGHT WITHOUT FURTHER INCIDENT. MAINTENANCE PLACED THE AVIONICS VENT BLOWER SYSTEM ON MEL. MAINTENANCE REPLACED THE EXTRACT FAN AS THE FINAL CORRECTIVE ACTION.