Regarding to about part no : 8261704300 part name : GSKT-RNG/35-25.5-3.4/184 (O-ring), Due to the continuous test about lamp "NG" then we checked sample and found oil into the lamp.
And we found that after the lamp have a height temperature. It affects with O-ring discharge oil into the lamp.
This problem occurs because the O-ring unprocessed oven before use. So THS would like to add oven process for this part.
Please check below for support on this after I concluded this solution, I will confirm you again.