As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)DURING LEADING EDGE DRESSING A DISCOLORATION WAS NOTICED. AN IMPROPER WELD REPAIR WAS CONFIRMED BY ETCHING SUSPECTED AREA, IT BECAME NOTICEABLY VISIBLE. WELD LOCATED ON #2 BLADE LEADING EDGE, 7/8" LON G CENTERED AT THE 23" STATION, 3/16" WIDE ON THRUST FACE.