As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 PACK LIGHT ILLUMINATES ON RECALL. IT WILL EXTINGUSH ON MAST CAUTION RESET. GROUNDED - YES. FLT DECK TRIM VALVE FAULT ON VERIFY BITE #2 ZONE TEMP CONTROLLER REF B737-800 AMM 21-51-00. REMOVED AND REPLACED CONTROL CABIN TRIM AIR VALVE AS REQUIRED LEAK CKD GOOD NO LEAKS NOTED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE CK NO FAULTS FOUND REF AMM 21-61-00-700-806-002 AND AMM 21-61-21-400-801. REMOVED MEL 21-32B, REMOVED C/N 19032508 SEAMC JARRED NOTIFIED.