As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO LITE OFF ENG (R) IGN ON ENG #1. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 74-21 TASK 807 NO FAULTS NOTED. IGN SYS AUDIBLE TEST GOOD FOR L & R IGNITERS PER AMM TASK 74-00-00-750-801-F00. AS PRECAUTIONARY, REMOVED AND REPLACED RIGHT IGNITER PLUG REF B737-800 AMM 74-21-02. ACCOMPLISHED #1 ENG RUN (IDLE) USING L & R IGNITERS. NO FAULTS NOTED. GROUND VERIFICATION IS GOOD. CLEARS MEL 74-1E.