Fixing Red Ring on XBOX360 RGH using Heat

My XBOX360 RGH 1.2 wont boot up so I do a complete tear down and repair it using hot air to reflow the solder under the GPU. Will it work?
0:00 Intro
0:19 Tear down
6:48 Remove x-clamps
9:20 Reflow GPU with hot air
11:20 Solder loose wires
15:28 Power On and test
16:24 Start reassembly
17:22 Conclusion