What was found
AIR TURN BACK FOR SPOILER ADVISORY MESSAGE. UPON ARRIVAL, PERFORMED MULTIPLE OPS TEST IAW AMM 27-61-00, COULD NOT DUPLICATE. PERF FIM 31-51 FT 809. R/R PCA TAKEOFF CONFIG WARNING MODULE (M620) IAW AMM 31-51-04, BIT ALL SCM'S WITH NO FAULTS PRESENT IN PREVIOUS FAULTS. PERF MCDP TEST IAW FIM 22-04FT 810, NO FAULTS NOTED. PERF OPS TEST OF SPOILERS IAW AMM 27-61-00, OPS CHECK GOOD. NO ADV PER ENGINEERING. ALL TEST COMPLETED. PART EFFECTIVE PER IPC.