As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STARTING #2 ENG, MOTORED FOR A FEW SECONDS, N2 BEGAN TO RISE AT 36 SECONDS, FUEL WAS INTRODUCED AND N2 HUNG AROUND 32.0 (STAYED AT 32.0), STOPPED START - REPEATED START PROCEDURE WITH SAME RESULT. GROUNDED - YES. REMOVED AND REPLACED R EXCITER REF B737-9 AMM 74-11-01.