As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, THE RED AND YELLOW WARNING MESSAGES DISPLAY: "L THRUST REVERSER DEPLOY" AND "LT THRUST REVERSER UNLOCK". AFTER LANDING VISUAL INSPECTION, THE LT THRUST REVERSER WAS AUTO MOVING BACK AND CAN NOT DEPLOY. DURING TROUBLESHOOTING, THE LT THRUST REVERSER INBD AND OTBD HARNESS WERE FOUND DEFECTIVE AND BEEN REPLACED. OPS CHECKS WERE DONE, NONE MESSAGES AFTER REPLACEMENT OF THE HARNESS.