As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND THE 7 ACTUATOR TO BYPASS VALVE MOUNTING BOLTS (REF. GARRETT MANUAL TP30-4001-1 PG. 10-11 ITMES NR 7 AND 10) WITH LITTLE TO NIL MEASURABLE TORQUE. THIS IS THE SECOND ACTUATOR ON WHICH WE HAVE DISCOVERED THIS PROBLEM. DURING INSTALLATION INSPECTION, A WRENCH JUST HAPPENED TO BE PLACED ON THESE BOLTS WHICH WERE THEN OBSERVED TO BE LOOSE.