As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, APU WILL NOT START. PER FIM NEEDED TO CHANGE APU BATTERY PER AMM 24-31-04. CONDITION SAME. REMOVED AND REPLACED APU CONTROL ECU PER AMM 48-61-05 CONDITION SAME. REMOVED AND REPLACED APU TEMP SENSOR PER AMM 49-94-01 AND APU PRESS SW PER AMM 49-94-02. CONDITION SAME. REPLACED APU STARTER CLUTCH PER AMM 49-41-06. REPLACED APU STARTER PER AMM 49-41-01, STARTED APU 3 TIMES ALL SUCCESSFUL OK FOR SERVICE.