As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE CREW REPORTED RECEIVING A BLEED LEAK MESSAGE ON THE EICAS. MAINTENANCE INSPECTED AND FOUND A SMALL LEAK AT THE OUTLET OF THE NR 1 PRECOOLER AND ADJUSTED THE CLAMP. SYSTEM OPS CHECKED GOOD FOLLOWING MAINTENANCE ACTION.