As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENG VALVE CLOSED LIGHT BRIGHT AFTER SHUTDOWN. GROUNDED - YES. (RESOLVED ON W/O: 1868637 TASKCARD: N/R-00003 ) REPLACED #2 ENGINE HPSOV SWITCH PER B737-900 AMM 73-21-09/401. TWO C/B'S PULLED AND RESET. AIRCRAFT RETURNED TO NORMAL CONFIGURATION. ALL TESTS ARE NORMAL. THIS CLEARS MEL 73-10. PLACARDS WITH C/N 04032493 REMOVED. ETOPS GROUND VERIFICATION SUCCESSFUL. SEAMC WILL WAS NOTIFIED.