As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#288, LAX-BOS. (ETOPS) CLASS II AIR BLEED MSG ( 36-00-00-C CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY FAULT(S) INDICATED BY AIR BLEED ). PERFORMED BITE TEST OF BMC'S. TEST PASS PER AMM 36-11-00. NO FAULTS NOTED. MDDR CLEARED. MX-4 UPDATED.