What was found
DURING 500 HR INSPECTION OF BLADES AS SCREWS WERE BEING INSTALLED TORQUE VALUE WAS REACHED WITH ONLY APPROXIMATELY ONE-THIRD THREAD ENGAGEMENT OF ENTIRE GRIP LENGTH. DISTORTED THREADS IN ONE AXIAL LOCATION ALONG GRIP LENGTH.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING 500 HR INSPECTION OF BLADES AS SCREWS WERE BEING INSTALLED TORQUE VALUE WAS REACHED WITH ONLY APPROXIMATELY ONE-THIRD THREAD ENGAGEMENT OF ENTIRE GRIP LENGTH. DISTORTED THREADS IN ONE AXIAL LOCATION ALONG GRIP LENGTH.