As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, APU FAILS TO START. APU FAULT. T/S APU PER FIM 49 -11-00 BITE MSG APU NO LIGHT OFF. REMOVED/REPLACED IGNITER PLUG PER AMM 49-41-02. CONDITION SAME. REMOVED AND REPLACED IGNITION LEAD PER AMM 49-41-04. CONDITION SAME. REMOVED AND REPLACED EXCITER BOX PER AMM 49-41-03. APU OPS CK NORMAL.