So, please check materials of element of a filter and screen of a strainer on O2 tubing according to the attached check sheet.
1. Subjects
1) Filter element on O2 tubing (oxygen pressure is more than 1 MPa)
2) Screen of strainer on O2 tubing (oxygen pressure is more than 1 MPa)
2. Countermeasures
After checking, please implement replacement of the material, inspection and schedule
periodical inspection for material which cannot be replaced from now.
3. Report date
By 25th Nov.