As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLD VLV CLOSED MSG ON T/O. RAN QRH AND MESSAGE PERSISTED, WENT TO START APU AND APU FAILED WITH APU FAIL MSG FACT 23JUL26 18:15 PHL T/S IAW AMM FIM 36-11-00-810-807A BLOCK 8 AND PERFORMED OPS BLEED SYSTEM. OPS CHECK ISW AMM REF 36-00-00. FOUND NO DEFECTS NOTED AT THIS TIME. AC OK FOR SERVICE