As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - APU FAULT 1ST APU START ATTEMPT. 2ND APU START OK AFTER LANDING. BITE CHECK NO FAULT NOTED. CONDITION SAME, CHANGED IGNITER PER AMM 49-41-02-404-406, CONDITION SAME. REPLACED APU CONTROL UNIT PER AMM 49-61-05-404-008. NO FAULT NOTED. OK FOR SVC.