What was found
CONFIG STABILIZER WARNING STABILIZER IS POSITIONED OUTSIDE THE COMPUTED GREENBAND AND EITH ER ENGINE'S THRUST IS IN THE TAKEOFF RANGE ON THE GROUND. CONTINED INFO, TAKEOFF CONFIG STAB IN GREEN BAND @ 3.75, 5 SECO NDS LATER GOT MSTR WARNING PERFORM HORIZONTAL STABILIZER - SYSTEM TEST PER AMM DMC-B787-A-27-41-00-06A-300B-A, TEST PASSED PER FIM 31-50-F1-08A-421A THIS MESSAGE SHOWS ON THE GROUND WHEN ENGINE TAKEOFF THRUST IS SELECTED WITH THE STABILIZER NOT IN THE TAKEOFF GREENBAND RANGE. NO SPECIFIC MAINTENANCE ACTION IS NECESSARY FOR THIS EICAS MESSAGE.