As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT RETURNED TO THE GATE AFTER A LEFT HAND BLEED FAIL WARNING MESSAGE. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND LOW PRESSURE BLEED VALVE, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-11-07. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.