What was found
AFTER THE #2 ENGINE WAS STARTED AND STABLE THE "START VALVE OPEN" "OIL FILTER BYPASS" AND "LOW OIL PRESSURE" AMBER INDICATIONS FLASHED, ENGINE WAS SHUT DOWN , "START VALVE OPEN" REMAINED ILLUMINATED PERFORMED ALTERNATE DEACTIVATION PROCEDURES. GROUNDED - YES. REMOVED AND REPLACED, #2 ENGINE START VALVE. REF TASK 80-11-03-000-801-FOO REMOVED, TASK 80-11-03-400-801-FOO, INSTALLED, REF TASK 71-00-00 800-811-FOO OPS CHECK LEAK CHECK GOOD.