As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PRESSING RECALL ON AFTER START CHECKLIST RT OVERHEAD AMBER LIGHT ILLUMINATED PACK LIGHT EXTINGUISHED PACK ON MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST REF MM TASK 21-61-00. FOUND RT PACK TCV VALVE INOPERATIVE. R & R RT PACK TEMP CONTOL VALVE REF MM 21-51-10. OPS AND LEAK CHECK OK.