As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATES ON RECALL. EXTINGUISHES WHEN MC RESET. PRESSURIZATION NORMAL. ACFT GROUNDED. TEMP CONTROLLER BITE SHOWS LT TEMP CONTROL VALVE FAULT. VERIFY TEST DID NOT CLEAR FAULT. REMOVED THE LEFT PACK TEMP CONTROL VALVE IAW AMM 21-51-10 AND INSTALLED A SERVICEABLE CONTROL VALVE IAW AMM 21-51-10-400-801, PERFORMED OPERATIONAL TEST AND BITE TEST, LEAK CHECK GOOD, NO FAULTS DETECTED,