As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#44, LGW-JFK. (ETOPS) 'CLASS II AIR BLEED MESSAGE (36-00-00-C CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY FAULT(S) INDICATED BY AIR BLEED); PERFORMED OPS CHECK OF BMC 1 AND 2 IAW AMM 36-11-00. TEST OK. CLASS II FAULT MESSAGE NOT PRESENT. MDDR # 481204.' (SUPPLEMENTAL INFORMATION ADDED TO DESCRIPTION)