As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PRE-FLIGHT, CREW FOUND LEFT LOWER THRUST REVERSER DOOR HANGING DOWN. MAINTENANCE FOUND LUGS BROKEN ON BLOCKER DOOR 'BIRDCAGE' ASSEMBLY. FAILURE DUE TO IMPROPER BOLT ANTI-ROTATION DEVICE INSTALLATION PREVIOUSLY C/W. BLOCKER DOOR POSSIBLY WOULD HAVE LEFT AIRCRAFT ON NEXT FLIGHT. THRUST REVERSER ASSY CHANGED.