As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE # 2 DID NOT START ON RIGHT IGNITER STARTED PROPERLY ON LEFT IGNITER. GROUNDED - YES. REMOVED AND REPLACED #2 ENG RIGHT IGNITION EXCITER BOX REF B737-900 AMM 74-11-01. AS A PRECAUTION REMOVED AND REPLACE #2 ENG MAIN IGNITER PLUGS REF AMM 74-21-02. MMEL 74-1 (DDPG) RESTORED REF AMM TASK 74-00-00-040-802-F00. IGN SYSTEM AUDIBLE TEST GOOD REF AMM 74-00-00. SUCCESSFUL IDLE ENG START ON R IGN REF AMM 71-00-00.