As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT REV UNLOCK CAUTION MSG IN FLIGHT. FOUND THE BOTTOM (2) ANTIROTATION TANGS ON BALLSCREW ACTUATORS BROKEN AND T/R OUT OF RIG. REMOVED AND REPLACED ANTI ROTATION TANGS IAW HONEYWELL CMM 78-30-29 RIGGED RT T/R IAW AMM 78-30-00 OP/C GOOD.