What was found
ON FLT 642 - ATL-SDF - AIR RETURN, THE TAIL COMPARTMENT HIGH TEMP LIGHT CAME ON IN FLIGHT. REMOVED AND REPLACED LEAKING PERI-SEAL AT DUCT BETWEEN ACM AND FLOW CONTROL VALVE ON RIGHT PACK SYSTEM. OPS CHECK NORMAL PER DC MM 21-20. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON FLT 642 - ATL-SDF - AIR RETURN, THE TAIL COMPARTMENT HIGH TEMP LIGHT CAME ON IN FLIGHT. REMOVED AND REPLACED LEAKING PERI-SEAL AT DUCT BETWEEN ACM AND FLOW CONTROL VALVE ON RIGHT PACK SYSTEM. OPS CHECK NORMAL PER DC MM 21-20. (M)