As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 2441 - EN ROUTE DFW-LAX, TAIL COMPARTMENT TEMP HIGH LIGHT ILLUMINATED. PERFORMED EMERGENCY CHECKLIST RETURNING DFW WITHOUT INCIDENT. FOUND ACM DUCT DETACHED FROM BOOT. RESECURED LOOSE CLAMP. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)