As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT A/C PACK LIGHT ILLUMINATED ON RECALL, CANCELS WITH RESET. ACFT GROUNDED. PERFORMED PACK BITE TEST. FOUND FAULT WITH LT TEMP. CONTROL VALVE. REPLACED LT TEMP CONTROL VALVE REF AMM 21-51-10. OPS CHECK GOOD. PERFORMED PACK BITE TEST, NO FAULTS FOUND.