As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L PACK STAYED ILLUMINATED ON MASTER RECALL. GROUNDED - YES. FAULT RESETS WITH MC RESET, RETURNS ON MC RECALL. CHECKED. NO HISTORY. #1 PACK/ZONE TEMP CTRLR SHOWS, "TCV THIS PACK". RESET FAULT. FAULT DID NOT RETURN. VERIFY TEST PASSES. BITE TEST #1 PACK/ZONE TEMP CTRLR GOOD. REF B737-800 FIM 21-62 TASK 801. FUNC CHECK SAME TCV GOOD.