As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SERVO VALVE (PN 22282790-104) NONCONFORMITY IS THE LASER WELD JOINING THE FEEDBACK WIRE (FBW) TO THE FEEDBACK SPRING IS MISALIGNED WITH THE WELD JOINT. THE FAILURE MODE IS THAT THE FEEDBACK WIRE WELD JOINT CAN BREAK. THE FAILURE EFFECT AT SERVO LEVEL IS LOSS OF PROPORTIONAL CONTROL OF SPOOL.