As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER CREW ENGINE 1 START ATTEMPT, NO START USING IGNITION NR 1, PER FLT MANUAL, SWITCHED TO 'BOTH' START WAS GOOD-NORMAL. OK TO DEFER ENGINE 1, IGNITION SYSTEM NR 1 'INOP' PER MEL 7400A. OK TO DEFER PER MEL7400A TOMC-EMC. REPLACED NR 1 ENGINE SYS 1 IGNITER PLUG PER MM. AUDIBLE TEST OK AMM 74-00-00. ENG RUN PER JRH USES IGN SYS 1 NORMAL.