As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER RUDDER REMOVAL, FREE PLAY ON SELF-ALIGN SELF-LUB BEARING PLAIN ON HINGE FITTING NO. 2 AND NO. 3 AT VERTICAL STABILIZER REAR SPAR MIDDLE SECTION. RUDDER HINGE FITTINGS NO. 2 AND NO. 3 AT VERTICAL STABILIZER REAR SPAR MIDDLE SECTION WAS REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01 AND RIL #2103 REV.B