What was found
NR 1 ENGINE DID NOT START. ABORTED START QRH. MADE 2 ATTEMPTS. ACFT GROUNDED. PERFORMED FIM 74-21, TASK 807 INITIAL EVALUATION. NO FAULTS NOTED FOR ENGINE 1. PERFORMED FAULT ISOLATION PROCEDURE IGNITION AUDIBLE TEST IAW ABOVE FIM REF. NO FAULTS NOTED. REPLACED 1 ENGINE RT IGNITER REF AMM 74-21-02. NR 1 ENGINE RT IGNITION, OPS CKS GOOD/NO FAULTS NOTED. ETOPS SIGNIFICANT SYS GROUND VERIFICATION SUCCESSFUL REF FIM 74-21, TASK 807. NO FAULTS NOTED.