As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT DECK TEMP UNCONTROLLABLE PERFORMED BIT ON LT TEMP CONTROLLER. FAULT CONTROLLER AND TEMP CONTROL V/V. R & R LT PACK TEMP CONTROLLER AND R & R TEMP CONTROL V/V IAW M/M. OPS CHK NML. OK FOR SVC ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS.