As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATES DURING RECALL, EXTINGUISHES WHEN MASTER CAUTION RESETS. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONT BITE TEST REF AMM 21-61-00-700-806-002. FOUND LT PACK TCV FAILED. R & R LT PACK TCV VALVE REF AMM 21-51-10. INSTALLATION OPS TEST OK.