What was found
DURING NR 2 ENGINE START, SPAR VALVE DID NOT OPEN, START ABORTED. GROUNDED - YES. CONFIRMED WITH NR 2 FUEL LEVER IN IDLE, SPAR VALVE CLOSED LIGHT STAYS IN-TRANSIT. REMOVED AND REPLACED SPAR VALVE ACTUATOR, REF B737-900 AMM 28-22-11-000-804/AMM 28-22-11-400-804. NR 2 SPAR VALVE ELECT CONTROL & IND TEST GOOD, REF AMM 28-22-00-710-801. MTX PERFORMED NR 2 ENGINE RUN, NO DEFECTS NOTED. ETOPS GROUND VERIFICATION TEST SUCCESSFUL.