As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSTALLATION OF THE PROPELLER HUB ON THE NR 1 ENGINE, WHILE PREFORMING THE FINAL TORQUE OF THE ATTACHMENT BOLTS, BOLT NR 7 SHEARED OFF AT THE THREADS. PN OF THE BOLT IS 782669-1. THE TORQUE ACHIEVED WAS LESS THAN 130 FOOT POUNDS REQUIRED.