As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - 2 UNSUCCESSFUL APU START ATTEMPS ON GRD AFTER LANDING. APU FAULT EICAS AND ANNUNCIATOR. PERFORMED APU ECU BITE CHECK FOUND OK. NO FAULT NOTED IAW AMM 49-11-00. PERFORMED APU START AND START WAS SUCCESSFUL ON 3RD ATTEMPT WITH NO FAULTS NOTED.