As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A VISUAL INSPECTION OF THE ROOT END AREA OF THE SPAR WAS CARRIED OUT BEFORE THE RE-INSTALLATION OF THE BLADE DURING MAINTENANCE. A HAIR LINE CRACK WAS DISCOVERED EMANATING FROM THE LOWER OUTBOARD FORWARD HOLE AREA AROUND THE BLOCK. THIS CRACK WAS CONFIRMED BY EDDY CURRENT METHOD NDT.