As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HAND PACK LIGHT DURING RECALL THAT RESETS. GROUNDED - YES. PERFORMED PACK/ZONE TEMPERATURE CONTROL BITE TEST FOR LEFT PACK REF B737-800 AMM 21-61-00-700-806-002. NO FAULTS FOUND. HISTORY SHOWS TCV FAULT; AS A PRECAUTION, REMOVED AND REPLACED LEFT PACK TEMPERATURE CONTROL VALVE REF AMM 21-51-10/401. OPS CHECKS GOOD, NO OTHER FAULTS NOTED AS OF THIS TIME.