As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATL/TPA - FLT 17 - DURING CLIMB-OUT, UNABLE TO CONTROL CABIN PRESSURIZATION. AIRCRAFT RETURNED TO ATL DUE ONE PACK OUT. FOUND WIRES BAD ON 210 DEGREE SENSOR BULB WHICH CAUSED PACK TEMP OVERHEAT LIGHT AND TRIPPED OFF LEFT PACK. REPAIRED WIRES AND PERFORMED PRESSURIZATION AND OPS CHECK OK PER MM 21-30-0. (X)