As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O AND FIRST PWR REDUCTION NR 2 AC PACK OFF LIGHT ON. NR 2 AC PACK WOULD NOT FUNCTION IN MANUAL OE AUTO. INFLIGHT WITH NR 3 AC PACK IN AUTO, TEMP DRIVES TO FULL HOT WORKS OK IN MANUAL. REPLACED NR 2 FLOW CONTROL VALVE AND REPLACED NR 3 PACK TEMP INDICATOR.