As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2567 - GSO - FLIGHT CREW REPORTED BLEED 1 VALVE FAIL TO OPEN INDICATION ON EICAS, FLIGHT WAS DIVERTED. CREW LANDED ACFT UNEVENTFULLY. EWR MX PERFORMED OPERATIONAL CHECK AND COULD NOT DUPLICATE INDICATION. OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.