As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT PACKS ILLUM ON RECALL RESETS WITH MASTER CAUTION. GROUNDED - YES. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST. # 1 CONTROLLER BITE TEST PASSED NO FAULTS NOTED. # 2 CONTROLLER SHOW 1 FAULT-TCV WAS ABLE TO RESET FAULT. RAN BITE CK AGAIN # 2 CONTROLLER TEST PASSED NO FAULTS NOTED. GROUND VERIFICATION CK GOOD REF B737-800 AMM 21-61-00-700-806-002.