As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE AFTER TAKEOFF CHECK F/O NOTICED LT PACK LIGHT ILLUMINATED. PERFORMED THE QRH PROCEDURE AND RESTORED NORMAL OPERATIONS. PACK LIGHT COMES ON DURING MASTER CAUTION RECALL AND EXTINGUISHES WHEN RESET. ACFT GROUNDED. ACCOMPLISHED BITE CHECK ON NR 1 ZONE TEMP CONTROLLER IAW INSTRUCTIONS ON FACE OF UNIT, BITE SHOWS TCV FAULT. FAULT CLEARS WITH "VERIFY" BITE CHECK. NO PACK LIGHT ON MASTER CAUTION RECALL.