As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU, ATTEMPTED CSS AT FL380 AND FAULT LIGHT CAME ON AND WENT OUT 6 MIN AFTER SHUTDOWN START OK AT GATE ON ARRIVAL. APU BITE PROCEDURE PASSES ALL TESTS REF MM 49-61-00. C APU FAULT REVIEW LOGGED FAULT 49-41011 - NO FLAME SHUTDOWN FAULT. APU GROUND START IS NORMAL.