What was found
APU BLEED VALVE FAILED MESSAGE FOLLOWED BY APU FAILED MESSAGE ON EICAS, APU INDICATED 28V ON BUSS, ACFT RETURNED TO BLOCKS. REPLACED THE BLEED VALVE, OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU BLEED VALVE FAILED MESSAGE FOLLOWED BY APU FAILED MESSAGE ON EICAS, APU INDICATED 28V ON BUSS, ACFT RETURNED TO BLOCKS. REPLACED THE BLEED VALVE, OPS CHECKED GOOD.