Dear Jason,
I had a big claim from a customer which we installed XGT165 in 2013.
Please find photo and original layout with information of defective.
The color of lamp changed to green and brightness dropped more than 50% at least.
I took 1 set back to my office and checked with brand new bulb, but it is still flicking. Means there are problem with other parts, too.
Total amount of defective with this situation are 38 sets (those marked with \ on layout.)
Also, there is 1 pc totally turned off (the one marked with × on layout)
I will send you some more detailed photos of the one I brought back to office tomorrow.
FYI, this is normally factory and use half space as warehouse. No oil in air. Temperature is very normal.
Please get back to me at your earliest.