As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A MAINTENANCE CHECK, NR 2 ENGINE UPPER THRUST REVERSER HAS POSSIBLE HEAT DAMAGE DUE TO ENGINE FIRE. DRY CHEMICAL FIRE AGENT WAS USED TO EXTINGUISH FIRE FOLLOWED BY WATER. REPLACED THE THRUST REVERSER IAW AMDS CARDS 7830-4120 AND 7830-4372.