As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - A/C WAS FOUND TO HAVE DEEP PITTING IN THE LEFT MLG AFT UPPER BEARING CAP (TRUNNION). MAINTENANCE ALONG WITH EMBRAER REPAIRED THE AFT UPPER BEARING CAP IAW EMB ETD 2010-145/02812. ALL WORK WAS ACCOMPLISHED AND A/C RELEASED BACK TO SERVICE. THIS WAS THE FIRST REWORK.