The cooling fan of my T904 started grinding against itself. I contacted Fujitsu support and they wanted me to send the device in to get the fan replaced... is there anywhere I can buy a replacement fan? Found the part number. CA49600-0810 There's a different part number for a U772 fan which appears identical CA49600-0510 The part is also called 34038050 in the official T935 disassembly instructions so now I'm confident it's compatible. Bought the U772 fan, I'll update with installation details once it arrives. Installation details The replacement fan is identical to the original. T904's chasis opened easily, the bad fan was easy to remove, the fan connector was a bit difficult to loosen. I was afraid I'd damage the motherboard because the connector is held very tightly in its socket. Slowly pried it out, I was lucky and nothing bent or broke. Putting in the new fan was easy. Closed everything up. The CPU at 100% load used to run at 70° Celsius, now it runs at 58° or 60°. I think the original fan must have been bad from the start.