As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2289, AMS-JFK. (ETOPS) 'AVIONICS VENT BLOWER FAULT EN ROUTE CB POPPED NOTIFIED DISPATCH AND MCC; SYSYTEM T/S IAW TSM21-26-00-810-829-A. NO DEFECTS NOTED. FOR PRECAUTIONARY REPLACED EXTRACT AND BLOWER FAN 20HQ. IAW AMM 21-26-51. OP CHECK GOOD. A/C OK FOR SVD.'