As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - APU AUTO SHUTDOWN ON FIRST START ATTEMPT. SECOND START NORM. APU OIL QTY SHOWED 0.50 THEN RECOVERED TO FULL AFTER START. PERFORMED FIM 49-11-00 FIG 104. BITE CK OF APU ECU FOUND LOP FAULT. CHECKED APU OIL LEVEL OK, APU OPS CK OK PER AMM 49-11-00. MOC NOTIFIED.