As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#34, BOS-CDG. (ETOPS) AIR BLEED MAINTENANCE MESSAGE IN VIEW. CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY. FAULTS INDICATED BY AIR BLEED; INSPECTED AND FOUND ENG SENSE LINE OF TRANSFERRED PRESSURE-TRANSDUCER B-NUT LOOSE. TIED LOOSE B-NUT AND PERFORMED ENG RUN IAW AMM 36-11-49. OPS CHECKED GD AND NO FAULT DISPLAY. CLEARED MDDR , UPDATED MX-4 AND REMOVED PLACARD.