What was found
FUME EVENT IN CRUISE AND VENT EXTRACT FAULT IN FLIGHT (EXTRACT FAN VENT AVIONICS SYS FAULT NOT DISPLAYED). R & R AVIONICS EXTRACT FAN, IAW AMM 21-26-51. OPERATIONS CHECK GOOD, IAW AMM 21-26-00. THIS CLEARS DMI, MOC NOTIFIED PLACARD REMOVED.