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 A BLEED 1 LEAK MESSAGE WHILE AT 17,000FT. THE AIRCRAFT DIVERTED TO LGA AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A LEAKING V-BAND CLAMP DOWN-STREAM FROM THE HIGH STAGE VALVE. THE CLAMP WAS TIGHTENED AND ENGINE RUNS WERE PERFORMED WITH THE CREW AND NO FURTHER DEFECTS WERE NOTED.