As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENG LEFT IGNITION DOES NOT WORK. ACCOMPLISHED FIM TASK 74 21 00 810 806 F00 EEC BITE CHECK SHOWED NO FAULTS LOGGED. DURING FURTHER T/S FOUND NO AUDIBLE CONFIRMATION OF IGNITOR PLUGS IGNITING. REPLACED NR 1 ENGINE IGNITOR PLUGS REF T/C 78474000 SYSTEM OPS CHECKS NORMAL. GROUND VERIFICATION CHECKS NORMAL.