Junk Plant FitzPatrick: More Testing Instrumentation Problems

Rash of Problems Testing Instrumentation at Nuclear Plants

Just like Pilgrim .

Power Reactor	Event Number: 52664
Facility: FITZPATRICK Region: 1 State: NY Unit: [1] [ ] [ ] RX Type: [1] GE-4 NRC Notified By: HENDRIK VERWEY HQ OPS Officer: HOWIE CROUCH	Notification Date: 04/04/2017 Notification Time: 11:32 [ET] Event Date: 04/04/2017 Event Time: 07:35 [EDT] Last Update Date: 04/04/2017
Emergency Class: NON EMERGENCY 10 CFR Section: 50.72(b)(3)(v)(D) - ACCIDENT MITIGATION	Person (Organization): CHRISTOPHER CAHILL (R1DO)

Unit	SCRAM Code	RX CRIT	Initial PWR	Initial RX Mode	Current PWR	Current RX Mode
1	N	Y	100	Power Operation	100	Power Operation

Event Text

HIGH PRESSURE COOLANT INJECTION INADVERTENTLY ISOLATED DURING CONDUCT OF MAINTENANCE SURVEILLANCE "On April 4, 2017, at 0735 [EDT], the HPCI System was inadvertently isolated during the performance of l&C [Instrument and Control] testing. "Technicians were in the process of performing instrument surveillance tests for the HPCI [high pressure coolant injection] System (using Allowed Out of Service Times) when a trip signal was applied to the incorrect instrument. This caused a HPCI System isolation signal on High Area Temperature, resulting in the closure of the HPCI steam isolation valves and rendering the system inoperable and unavailable. RCIC was immediately verified to be operable. "The surveillance testing was aborted and system restoration is in progress. "This condition is being reported as a condition that could have prevented the fulfillment of the safety function of a system needed to mitigate the consequences of an accident per 10CFR50.72(b)(3)(v)(D)." This placed the plant in a 14-day LCO action statement under Technical Specification 3.5.1. The licensee has notified the NRC Resident Inspector.