As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TOLERANCE CHECK OF THE R.V.S.M. REQUIREMENTS OF T.L.M.C. OF 604 MM, IT WAS NOTED THE A.D.C. DID NOT MEET THE TOLERANCES CALLED OUT. THE FAILED UNIT WAS REMOVED AND SENT BACK TO THE MFG FOR REPAIR. REPLACMENT (REPAIRED) UNIT WAS INSTALLED IN ITS PLACE.