As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE THE EFD UNIT INSTALLED UNDER STC SA10822SC FAILED. THIS IS ONE IN A SERIES OF FAILURES FROM THIS INSTALL. WITH THE ONGOING TROUBLES WITH THIS UNIT WE ARE ELECTING TO REMOVE THE STC FROM AIRCRAFT AND REVERT BACK TO STANDARD INSTRUMENTATION.