As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENGINE WOULD NOT LIGHT OFF ON RIGHT IGNITION ( 2 ATTEMPTS), STARTED WHEN LEFT IGNITION USED. GROUNDED - YES. FOLLOWED B737-900 FIM 74-21 TASK 807, CONFIRMED FAULT FOR R/H IGNITION, NO CLICK. REMOVED AND REPLACED R/H IGNITOR PLUG REF B737-900 AMM 74-21-02. OPS TEST GOOD. CLICK TEST GOOD FOR L/H AND R/H IGNITORS. STARTED #2 ENGINE ON R/H IGNITION, ENGINE STARTED GOOD.