As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS NR 1 START SWITCH WILL NOT IN GROUND NR 1 ENGINE WILL NOT START. ACFT GROUNDED. FOUND NR 1 START VALVE CIRCUIT BREAKER OPEN. CHECKED BEHIND P18-2 FOR CONTAMINATION, NO DEFECTS NOTED. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. RAN NR 1 ENGINE AFTER CIRCUIT BREAKER RESET. NO DEFECTS NOTED OR CDU FAULTS. INTERMITTENT FAULT, OK FOR SERVICE.