Part 75 (P75) Lessons Learned from Jon Konings at ESC - Section F: A Starting Point for Developing In-House and Site Specific Procedures and Helpful Tools
Regulatory references: In Part 75, Appendix D, § 188.8.131.52
Primary elements are the components of the fuel flow measurement system, which create very specific differential pressure patterns (or other technology specific responses) as the fluid they are monitoring flows around them. These primary elements are actual immersed in the fluid flow pipe. These fluids can sometimes be corrosive or contain particulates which might damage or distort the shape or profile of the element. This inspection is intended to find or identify damage or corrosion to these devices. Damage or corrosion will cause these systems to operate in a manner that is unacceptable (what is created are non-characteristic differential pressure or response patterns).
As you prepare to perform this inspection, prepare in the following ways:
Jon Konings, Senior Regulatory and Reporting Engineer, ESC Published: 10/11/2016 5:10:39 PM
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