As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED THAT WHILE CLIMBING THROUGH 9,000FT, THE HAD A BLEED 1 LEAK MESSAGE ON EICAS. THE QRH WAS FOLLOWED AND AN EMERGENCY WAS DECLARED. THE AIRCRAFT THEN RETURNED TO KSDF AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED AN OPS CHECK OF THE NR 1 BLEED SYSTEM IAW AMM 36-00-00, WITH NO DEFECTS NOTED. A GVI OF THE COUPLING DIRECTIONAL BOOTS WAS ALSO PERFORMED WITH NO DEFECTS NOTED.