As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT RETURNED TO GATE, NR 1 ENG NO START AND EICAS MSG NR 1 AND NR 2 IGNITION. REPLACED LT ENG FUEL/IGN CONTROL RELAY K1251 AT P-36 PNL. RAN LT ENG HAD ONE SUCCESSFUL START IGN BOTH. GOT L ENG IGNITOR 2 AND L ENG IGNITOR 1 STATUS MSG 280809. TROUBLESHOT PER FIM. NEEDS EEC.