What was found
AFTER ROTATION, LG AIR/GROUND FAIL MESSAGE APPEARED ON EICAS AND GEAR OULDNT BE RETRACTED. COMPLIED WITH FIM TASKS 32-63-00-810-801-A, 32-63-00-810-802-A, 32-63-00-810-803-A, 32-63-00-810-804-A, AND 32-63-00-810-805-A. R&R'D LEGU, OPS CHECK GOOD IAW AMM 32-32-01-04.