As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE ON RECALL ANNUNCIATOR PANEL DISPLAYED "AIR COND" WITH RIGHT PACK LIGHT ON CONSULTED QRH ON MASTER CAUTION RESET THE PACK LIGHT EXTINGUISHED. NR 2 TEMP CONTROLLER SHOWS THIS PACK TCV FAULT. INSTALLED NEW TEMP CONTROL VALVE REF MM 21 51 10. PERFORMED LEAK CHECK AND TEMP CONTROLLER BITE CHECK. OPS CHECK AND LEAK CHECK NORMAL NO FAULTS OR LEAKS NOTED REF MM 21 51 10.