As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB AT FL200. THE NR 1 ENGINE START VALVE LIGHT ILLUMINATED. ACCOMPLISHED QRH PROCEDURE. NR 1 MANIFOLD DEPRESSURISED INSPECTED START VALVE WIRE FROM CONNECTOR P1-8157 TO COWLING AND FOUND NO CHAFED WIRE. REPLACED THE START VALVE.