As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LT ENGINE THRUST REVERSER, LOWER DOOR, INBOARD AFT, IDLER LINK ASSY BROKEN AROUND THE BEARING SUPPORT BOSS. IDLER LINK FOUND JAMMED IN THRUST REVERSER STRUCTURE CAUSING THRUST REVERSER TO REMAIN CLOSED AND LOCKED WHEN SELECTED TO DEPLOY ON LANDING. IT IS LIKELY THIS HAPPENED ON THE PREVIOUS LANDING AND UPON STOWING THE T/R JAMMED IN A CLOSED AND LOCKED POSITION.