As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RAM AIR TURBINE FAILURE. DURING ROUTINE MAINTENANCE CHECK, A DISCREPANCY WAS NOTICED ON THE RAT SPEED SENSING. UPON FURTHER TROUBLESHOOTING, A WIRE INSIDE THE RAT SPEED SENSOR WAS FOUND BROKEN. AFTER REPAIR, THE RAT TEST WAS COMPLETED SUCCESSFULLY.