As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FIRST APU CSS. APU AUTO SHUTDOWN. FAULT LT ILLUMINATED. SECOND START ATTEMPT SUCCESSFUL. GROUNDED - YES. PERFORMED APU BITE FOUND MX MSG 49-41010. PERFORMED APU OPS TEST REF AMM 49-11-00. OPS CHK GOOD. REF L/P 60640599 FOR MEL 49-99A. SEAMC CARLS NOTIFIED.