In the 707, we had an alternate procedure extending inboard flaps to get the nose up, or extending outboard flaps to get nose down in case of trim problems. Panel overhead captain's head was even indicating what switch to use. Also we could use partial spoilers, inboards or outboards. Although such procedure does not exist in 747, it could be achieved. I will play that game in a simulator one of these days, to see what can be done.
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After all a 747 is just a big 707 with a lot of extra goodies.
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Happy contrails