As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 834 STI-JFK, VENT BLOWER FAN FAULT IN FLT A LOUD SQUEALING SOUND FOR APPROX 10 MINUTES. SQUEAL ABRUPTLY ENDED FOLLOWED BY A BURNT ELECTRICAL SMELL FOLLOWED BY ECAM. SMELL CONFIRMED TO BE FAN (20HQ)TO BE SEIZED. REMOVED AND REPLACED AVIONICS FAN AND NO FURTHER ISSUES WITH SQUEAL OR SMELL.