As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7658 - THE NR 2 ECU FAULTED AND WHEN NR 2 PROP WAS FEATHERED CREW REPORTED SMOKE CAUTION ILLUMINATED ON CAP. CREW FURTHER REPORTED VISUAL INDICATION OF SMOKE IN CABIN AND COCKPIT. MAINTENANCE RAN ACFT FOR 30 MINUTES AND NOTED NO INDICATION OR VISUAL CONFIRMATION OF SMOKE ANYWHERE THROUGHOUT ACFT CABIN OR COCKPIT. (W)