As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HUNG ENGINE START ON ENGINE 2, START LEVER RAISED AND VERY LITTLE FUEL FLOW, NO LIGHT OFF, RAN QRH AND MOTORED ENGINE PER QRH. SECOND ATTEMPTED SELECTED RIGHT IGNITION START AND SUCCESSFUL ENGINE START. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE IGNITION EXCITER LEFT OPS CHECK GOOD PER B737-800 AMM 74-11-00-800-811-F00.