As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#43, JFK-LGW. (ETOPS) HOT AIR VALVE FAULT ( HOT AIR PRESS REGUL VLV - (N703 AND UP) OPEN POSITION ). REMOVED AND REPLACED PRESSURE REGUALTING VALVE (14HK) IAW AMM 21-63-52. OPS CHECK GOOD. MO DEFECTS NOTED AT THIS TIME. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.