As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - VERIF FLIGHT FOR APU NOT COMPLETED, APU LOAD START UNSUCCESSFUL. "APU FAULT" DISPLAYED APU SPOOLED UP TO 71 PERCENT THEN QUIT. IAW FIM 49-41-00 & INFO NOTED, TROUBLESHOT APU IAW FIM. APU ECU HAD APU START ABORTED MESSAGE. APU VERY SLOW TO START. REMOVED AND REPLACED APU STARTER, OPERATION IS NORMAL IAW AMM 49-41-01-44-007. MPN 519858-8; SN ON 24-3691; SN OFF 16-4263.