What was found
APU DOOR APU INLET DOOR IS NOT IN COMMANDED POSITION. STATUS REPLACED APU CONTROLLER. FOUND MAINT MESSAGES 149-18801, 49-14120, 49 -14110, 49-17001, 49-12990 AND FAULT CODE 49600100 ON SEVERAL LEGS, APU INLET DOOR INDICATIONS NORMAL AS SHOWN ON EICAS MAINT PAGES, STARTED APU THREE TIMES AND RUN PACKS AND ELECTRICAL, ALL WERE NORMAL. RE-OPENED BY OPBLM ON 28MAR10 FOR: HIT AGAIN AT DEPARTURE. REF: FIM 49-10 & PERFORMED TASK 804 FOR FAULT CODE 49-17001 & ASSOCIATED FAULT 49-14120. APU INLET DOOR ACTUATOR REPLACED. SUSPECT INTERMITTENT. CYCLED DOOR 8 TIMES, STARTED APU FOUR TIMES.