Detection Line Badly Clogged/Rusted - Code Deficiency (Replacement Needed) During your most recent Fire Protection Inspection, our technicians noted that the detection line has a large buildup of grease and has failed the trip test. NFPA 17A 10.4.4 The manual release function test is tested to the standard of the manufacturer during each inspection. Clean suppression lines are crucial to allow the suppression system to engage in the event of a fire. It is required, in the event of a failed test, that you replace the detection line, link housings, and conduit. Scissor Linkage Deficiency: Stainless Steel Link Holders Needed During the inspection of the fire suppression system, the technician noted that the aluminum link holders no longer meet the requirements of ANSI/NFPA/UL300 and the manufacturer and are needing to be replaced with stainless steel link holders. 10.2.3* Automatic Fire-Extinguishing systems SHALL comply with ANSI/UL300 or other equivalent standards and shall be install