As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCOVERED DURING ROUTINE AIRFRAME INSPECTION. SPAR LEADING EDGE EXFOLIATED ALONG ENTIRE LENGTH OF BLADE, SKIN/SPAR DISBOND AT LOWER SURFACE STA 58.5, CAUSED BY IMPROPER HEAT TREATING. REVIEW MANUFACTURING PROCESS AND IMPROVE QUALITY CONTROL.