As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - APU FAULT. AFTER FUEL TRANSFER TO TRIM TANK APU START FAULT. PURGED APU FUEL. APU BITE SHOWS LOW FUEL PSI FAULT DUE TO FUEL TRANSFER. PURGED APU FUEL TRIM LINE. APU STARTED 1ST ATTEMPT. NO HISTORY. OPS CHECKED NORMAL. OK FOR SERVICE.