As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, AT 35000, FLT CREW REPORTED LOUD NOISE AND VIBRATION FOLLOWED BY ACRID ODOR AND SMOKE IN COCKPIT. ECAM DISPLAYED BLOWER AND EXTRACTOR FAN FAULT. FLIGHT CREW DECLARED AN EMERGENCY, DIVERTED TO OKC AND PERFORMED AN UNEVENTFUL LANDING. MAINTENANCE REMOVED AND REPLACED AVIONICS COOLING BLOWER, PERFORMED AVEC BITE TEST IN ACCORDANCE WITH AMM 21-26-51 PB 401. RII ALSO PERFORMED. TEST RESULTS WERE NORMAL. AIRCRAFT RETURNED TO SERVICE.