As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER AFT BODY OVERHEAT LIGHT ILLUMINATED 5 MINUTES AFTER TAKEOFF WITH WING AND ENGINE ANTI-ICE OPEN. ALTITUDE 10,000 FEET AT CLIMB. POWER LIGHT EXTINGUISHED ONE MINUTE AFTER CLOSING WING ANTI-ICE. CRACKED DUCT FOUND IN AFT AIRSTAIRS AREA. CANNIBALIZED DUCT FROM AIRCRAFT 199 TO BE INSTALLED ON AIRCRAFT. INSTALLED DUCT, LEAK CHECK GOOD.