As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE DID NOT START. ENG VALVE CLOSED LIGHT WAS ILLUMINATED BRIGHT. GROUNDED - YES. #1 ENGINE RIGHT IGNITER INOP. PERFORMED B737-9 IFIM TASK G74-20-00-810-803, B737-9 AMM TASK G71-00-00-730-804-G00 AND TASK G71-00-00-730-805-G00. NO FAULTS FOUND DURING IGNITION SYSTEM TESTS. PERFORMED TWO NORMAL ENGINE STARTS, NO DEFECTS NOTED.