As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED DURING RECALL. TESTED PACK CONTROLLER LT SIDE HAD A TCV SENSOR FAULT. RESET CONTROLLER AND RAN SYSTEM IAW AMM 21 00 00 800 803 AND 21 00 00 800 804. GROUND FUNCTIONAL CHECK GOOD. NO FAULTS ON RECALL. RETESTED SYSTEM CONTROLLER LT SIDE AND NO FAULTS. SYSTEM READY FOR CONTINUED SERVICE.