What was found
DURING ENG START, LT ENG, AFTER POWER TRANSFER, LT ENG SPAR VLV ILLUMINATED WITH ENG SHUTDOWN. PERFORMED ADJUSTMENT TEST IAW MM 28-22-11-5. EXERCISED VLV MANUALLY, EXERCISED VLV ELECTRICALLY, SHOOK DOWN WIRING TO ATTEMPT TO INDUCE MALFUNCTION, ALL OK. PERFORMED TWO ENG START CYCLES OF LT ENG WITH NO PROBLEMS. DUE TO THE CND OUTCOME OF THIS MX ACTION & THE CHARACTER OF THE MALFUNCTION, MOCC ADVISES REPLACEMENT OF SPAR VLV ACTUATOR BEFORE FURTHER FLIGHT OPERATIONS. R & R LT ENG SPAR VLV ACTUATOR.