I just DUSTED a 777 landing at ONT. I had been having a lot of trouble with the 777 falling short of the runway threshold and flying into the ground. Thanks to a little help from my friends, I have learned how to land this big beauty. If anyone else is having trouble bringing the 777 in, here are a few tips:
We are talking ILS/Glide Slope landings here, of course. About 10 miles out, set speed at 184 kts with flaps at 25 degrees. Notice that, if you do that, your attitude is very good; nose is close to level.
Keep that configuration until you start down the glide slope.
As you start down the glide slope, reduce speed to 175 kts and go to full flaps. Hold that configuration until you are about 200 to 300 feet above ground level (AGL). When you reach that point, disengage everything - autopilot, APR and autothrottle.
Then fly it down yourself.
Here is the important thing to note. This landing was made with full fuel tanks. With the 777 (and other planes as well, but the 777 seems especially sensitive on this point), amount of fuel is very important in landing. The book says your landing speed should be 157 kts. What the book does not tell you is that if you try to land on ILS/autopilot, at 157 kts, with a full fuel load, in the 777, you will never make it to the runway threshold - the plane will fly right into the ground short of the runway.
You can afford this luxury (157 kts landing speed) if you are running low fuel capacity (and, hence, lower overall weight) but NOT if you are full. If you are full, you have to come in at higher speed. Simple as that.
Hope this helps someone - it sure as heck helped me!