As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE CREW RECEIVED A ENG 2 BLEED LEAK MESSAGE ON THE EICAS. UPON INSPECTION, MAINTENANCE FOUND THAT ONE OF THE PNEUMATIC DUCT HAD BECOME DISCONNECTED. MAINTENANCE REMOVED AND REPLACED THE BLEED O-RINGS AND RECONNECTED THE JOINT. FOLLOW ON OPERATIONAL CHECK OF THE BLEED SYSTEM PROVED A GOOD FIX.