As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 "ENGINE VALVE CLOSED" LIGHT CAME ON AFTER ROTATION. EXTINGUISHED APPROACHING 10,000 FT IN CLIMB. ALL OTHER INDICATIONS WERE NORMAL TO INCLUDE FUEL FLOW. GROUNDED - YES. PERFORMED B737-900 FIM 73-06 TASK 805, NO FAULT NOTED. START AND RAN #1 ENG, NO FAULT NOTED.