As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU PNEUMATICS INOPERATIVE. PERFORMED TROUBLESHOOTING OF APU BLEED SYSTEM & NOTED A BAD APU BLEED AIR VALVE IAW AMM 49-11-00. REACTIVATED VALVE AND PERFORMED APU OPS CHECK IAW AMM 49-11-00 AND ECU BITE CHECK IAW FIM 49-11 F/T 987. APU BLEED SYSTEM OPERATES NORMALLY, NO DEFECTS NOTED AT THIS TIME.