As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI, ADVISED BY THE TOWER THAT A PIECE OF OUR ENGINE COWL HAD FALLEN OFF. FOUND NR 2 ENGINE RT THRUST REVERSER COWL DAMAGED AND A LARGE SECTION MISSING. REMOVED NR 2 RT FAN REVERSER HALF IAW W/C 78T3101R-2. INSTALLED NR 2 ENGINE RT REVERSER HALF AND PERFORMED ALL REQUIRED OPS CHECKS IAW WC 78T3701R-2. ACFT OK FOR SERVICE.