As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#73, JFK-EDI. (ETOPS) 'COND TRIM AIR SYS FAULT TRIM AIR HI PRESSURE ASSOCIATED CLASS II AIR BLEED MSG ( HOT AIR PRESS REGULATING VLV - (N703 AND UP) CLOSED POSITION ); PERFORMED OPS TEST OF COCKPIT CABIN TEMP CONTROL WITH CIDS IAW AMM 21-63-00-710-004. OPS TEST OK. THIS CLEARS MDDR