As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU ALTITUDE NO START, COLD SOAK. APU SHUTDOWN AFTER REACHING 95% SPEED AFTER 10 SECONDS. REACHES 100 O-O THEN SHUTS DOWN FL330 ACCOMPLISHED FIM 49-53-TA SK 804, APU STARTED WITH NO FAULTS. FOUND STATIC PRESSURE LINE O RING WORN IAW IPC 49-53-53 ITEM 136. REPLACED O RING IAW IPC 49-53-53, NO LEAKS NOTED.