As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED ON RECALL, EXTINGUISHED ON SYSTEM RESET. ACFT GROUNDED. PERFORMED BIT ON PACK ZONE TEMP CONT 1. FOUND PACK TCV FAULT. R & R THE LEFT PACK TCV IAW AMM 21-51-10. RAN PACK, HIT RECALL. NO PACK LIGHT. OPS & BITE CHECKED GOOD.