As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1515, JFK-SFO. (ETOPS) 'AIR BLEED CLASS II ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED ); FOLLOWED TSM 36-00-00-810-804-A. PERFORMED BITE TEST OF ENG BLEED AIR SYS. TEST OK. SYSTEM IS NORMAL. NO CLASS II MSG. AC OK FOR SVC.