As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT A/C PACK LIGHT ON DURING MASTER CAUTION RECALL, PACK LIGHT GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED BITE TEST OF RT PACK, LOGGED THIS PACK TCV FAULT. R & R TEMP CONTROL VALVE (V141) REF MM 21-51-10. OPS CHECK GOOD.