As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED AIR ISOLATION VALVE STATUS MESSAGE DISPLAYED, PER CREW. REPLACED RIGHT BLEED AIR ISOLATION VALVE. TESTED AND OP CHECKS GOOD. DURING ACCOMPLISHMENT OF PROCEDURES PER MEL 3612B (RECYCLED) VALVE AND DEVICE RETURNED TO NORMAL OPERATION.