As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. DCA-DFW FLIGHT. LEFT ENGINE WING TO BODY OVERHEAT INDICATION DURING DESCENT. LANDING UNEVENTFUL. INSPECTION FOUND NO INDICATION OF HEAT. REMOVED AND REPLACED LEFT FORWARD STRUT CAVITY OVERHEAT DETECTOR M1671 IAW AMM 26-18-02. OPERATIONAL CHECK GOOD.