As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED TAIL COMPARTMENT HI LIGHT ILLUMINATED ON CLIMBOUT. EMERGENCY DECLARED RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND RIGHT AIR CONTROL MACHINE OUTFLOW MANIFOLD CLAMP LOOSE. TIGHTENED CLAMP NO DISCREPANCIES NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION.