What was found
AIRCRAFT WAS GROUNDED: AFTER TAKEOFF, LEFT SPOILERS WERE DEPLOYED WITH ACCOMPANIED VIBRATIONS. EMERGENCY DECLARED, FLIGHT DIVERTED TO STL, LANDING SAFELY. TROUBLE SHOT PER TSM 27-94-00-810-870-A. RESET #3 SPOILER ELEVATOR COMPUTER (SEC). REPLACED RELAY 41CE3 PER ESPM. #3 SEC TESTS NORMAL. PER AMM 27-94-00 AND AMM 27-94-00-710-001-A.