As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING #1 ENGINE START, NO N1, NO N2. MADE TWO ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED #1 L/H ENG STARTER REF B737-900 AMM 80-11-01-000-801-F00 AND AMM 80-11-01-400-800-F00. ACCOMPLISHED ENG RUN STARTER POWERPLANT TEST REF AMM TASK 71-00-00-800-811. OPS TEST NORMAL.