What was found
APU FAULT LIGHT ILLUMINATED WHEN APU SWITCH SELECTED OFF. GROUNDED - YES. VERIFIED FAULT 49-31001 STILL SHOWING AS CURRENT IN BITE CHECK. REMOVED & REPLACED APU FUEL SHUTOFF VALVE ACTUATOR, VERIFIED P/N FOR ETOPS. BOND CHECK GOOD, OPS CHECKED GOOD X3, APU STARTS UP AND RUNS UNDER FULL LOAD. AFTER SHUTDOWN VERIFIED FAULT CLEARED FROM CURRENT STATUS. APU SHUTDOWN GOOD. REF B737-800 AMM 28-25-02 AND AIPC 28-25-51-07 ITEM 45. THIS CLEARS MEL 49-1B. SEAMC FELIX NOTIFIED. PLACARDS REMOVED, C/B RESET.