As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - #2 HOT AIR VLV INOP ( HOT AIR VALVES (FLT CREW TO CHECK CLOSURE FUNCTION OF ASSOCIATED PACK FLOW CTRL VLV OPERATES NORMALLY BEFORE EC FLIGHT) ). REMOVED AND REPLACED # 2 HOT AIR VALVE REF AMM 21-63-52. OPS CHECK GOOD. NO FAULTS NOTED.