As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISPATCHED FOR FIRE ACTION. AFTER RETARDANT DROP NR 2 RPM DROOPED TO 13,500. RPM BEGAN TO HUNT BETWEEN 13500, 13300 (13820 NORMAL). NR 2 ENGINE SHUTDOWN AND SECURED IAW COMPANY SOP. ONE ENG INOP LANDING CARRIED OUT. MX IS TROUBLESHOOTING.