As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING THROUGH 7500 FT ANTI ICE DUCT OVERHEAT NR 2 LIGHT ILLUMINATED. TEMP WAS FULL HOT 250 DEG C, THEN EXTINGUISHED SHORTLY AFTER (30 SEC) NR 2 LOWER AFT BODY OVERHEAT LIGHT ILLUMINATED. DUCT OVERHEAT LIGHT ILLUMINATED ONCE AGAIN AFTER LANDING. REMOVED AND REPLACED NR 2 ENG THERMOSTATIC VALVE PER MM 30-21-021-4. RAN ENGINES AT HIGH PWR ANTI-ICE TEMP INDICATION WAS AT 219 DEG C; WELL BELOW 490 DEG C THRESHOLD PER MM 30-21-001-0 WHICH ILLUMINATES THE OVERHEAT LIGHT.