What was found
DURING WING, STAB HEAT TROUBLESHOOTING, MAINTENANCE DISCOVERED AN AREA OF CORROSION ON THE LOWER CENTER WING SPLICE PLATE AFT OF THE REAR WING CARRY THRU JUST INBOARD OF THE RH KEEL BEAM. AFTER CONTACTING BOMBARDIER ENGINEERING AND WHILE BEGINNING CORROSION REMOVAL, ENGINEERING ADVISED US THAT THEY WOULD WRITE US A FERRY FLIGHT PERMIT AND WE SHOULD MAKE ARRANGEMENTS TO REPOSITION THE AIRCRAFT TO ONE OF THEIR FACILITIES. WILL AMEND THIS REPORT ONCE A CORRECTIVE ACTION IS COMPLETED.