As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON START NR 1 ENG STARTED WITH A SLOW OPENING START VALVE THEN AFTER IT STARTED THE START VALVE DID NOT CLOSE AND THE AMBER NR 1 ENG INDICATOR LIGHTS WERE FLASHING. ACCOMPLISHED STOP START AND ENG SHUTDOWN LIGHTS EXT. ACFT GROUNDED. REPLACED NR 1 ENG START VALVE REF MM 80-11-03-000-801 FOO AND MM 80-11-03-400-801 FOO. ACCOMPLISHED MM 71-00-00-800-811 IDLE RUN ENG NR1. OPS AND LEAK CK OK.