As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A D CHECK INSPECTION, FOUND THE NR 4 ENGINE OUTBOARD THRUST REVERSER WILL NOT LATCH DUE TO OUTBOARD THRUST REVERSER FORWARD END HANGING TO LOW. REPLACED HINGE FITTING BEARING AND REPAIRED THRUST REVERSER CENTER HINGE FITTING IAW EO MAS-J217-N919CA-007.