As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON A ROUTINE SHOP VISIT IT WAS DETERMINED THAT THE G-SWITCH HAD FAILED WHILE IN SERVICE. AN INVESTIGATION WAS PERFORMED AND ALSO DISCUSSED WITH LOCAL SERVICE CENTER WHERE THE UNITS WERE SENT FOR REPAIR. IT WAS DETERMINED THAT THIS IS NOT AN ISOLATED INCIDENT.