I also have issues with the glide slope of runway 26L being too low. My most recent encounter of this issue was with the default CJ4 using the Navigraph base navdata package.

I'm running Flight Simulator 2004 v9.1 on a computer running Windows 7 Home premium, 8 gb ram ddr3, 285 gtx. Ive ran the Flytampa-SanFrancisco scenery with no problems. Then all of a sudden when i was landing from a flight one day at night, i approached the terminal and found this... http://i928.pho...