As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE CHAPTER 5, 500 HOUR, ROOT END SPAR BORESCOPE INSPECTION, NOTICED SHADED AREA. CONFIRMED SHADED AREA AS A CRACK THROUGH INDEPENDENT NDT EDDY CURRENT INSPECTION. CRACK ORIGINATES ON THE INSIDE BORE OF THE SPAR, AT THE TE OTBD BLADE BOLT HOLE. NOTIFIED ENGINEERING, REF ATTACHED SIMPLE DRAWING.