As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING #2 ENGINE START WITH START LEVER AT IDLE AS N2 NEARED 30% FUEL DROPPED TO ZERO. UNSUCCESSFUL START. GROUNDED - YES. REMOVED AND REPLACED R IGNITION EXCITER REF B737-800 AMM 74-11-01-000-801-F00, AND 74-11-01-400-801-F00. OPS CHECK GOOD. PERFORMED TWO SUCCESSFUL ENGINE STARTS WITH IGNITION R. MEL 74-1F MTX CONFIGURATIONS REVERSED THIS CLEARS DEFERRAL.