05000348/LER-1981-015-03, /03L-0:on 810404,during Channel Check Surveillance Test,Feedwater Flow Loop FT-486 Failed to Meet Tolerance Requirements & Declared Inoperable.Caused by Plug Assembly for Root Valve for Transmitter FT-486 Not Opening

/03L-0:on 810404,during Channel Check Surveillance Test,Feedwater Flow Loop FT-486 Failed to Meet Tolerance Requirements & Declared Inoperable.Caused by Plug Assembly for Root Valve for Transmitter FT-486 Not Opening

ML20003H976
Person / Time
Site:	Farley
Issue date:	05/04/1981
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20003H971	List: 05000348/LER-1981-012-03, /03L-0:on 810402,during Testing of Containment 1A Spray Pump,Containment Spray Sys Snubber CS2-Rl31 Declared Inoperable Upon Discovery of Hydraulic Fluid Leakage.Caused by Cracked Reservoir.Reservoir Replaced 05000348/LER-1981-015-03, /03L-0:on 810404,during Channel Check Surveillance Test,Feedwater Flow Loop FT-486 Failed to Meet Tolerance Requirements & Declared Inoperable.Caused by Plug Assembly for Root Valve for Transmitter FT-486 Not Opening 05000348/LER-1981-016-03, /03L-0:on 810405,during Channel Check Surveillance test,overtemp-delta Temp Instrumentation Loop Associated w/TI412C Declared Inoperable When Trip Setpoint Failed to Meet Tolerance Requirements.Caused by Defective Nll Card 05000348/LER-1981-017-03, /03L-0:on 810405,while Performing FNP-1STP-28.2, LOSP BIF Sequencer Failed to Meet Time Requirements for Picking Up Step 6.Caused by Agastat Timer Setpoint for LOSP BIF Sequencer Drifting Below Setpoint.Timer Adjusted ML20003H970
References
LER-81-015-03L, LER-81-15-3L, NUDOCS 8105080260
Download: ML20003H976 (2)

LER-1981-015, /03L-0:on 810404,during Channel Check Surveillance Test,Feedwater Flow Loop FT-486 Failed to Meet Tolerance Requirements & Declared Inoperable.Caused by Plug Assembly for Root Valve for Transmitter FT-486 Not Opening

Event date:
Report date:
3481981015R03 - NRC Website

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60 el DOCKET NUVS ER 64 99 EVENT DATE 74 75 AEPCA T DATE 80 EVENT DESCRIPT!oN AND PRoSABLE CONSEQUENCES h g $t 0110 on 4-4-81, while operator was performing a channel check surveillance test, feed-l g pater flow loop FT.486 was declared inoperable when it failed to Ireet the toleranc re-l, g ;quirements of.the test. Tech. Spec. 3.3.1.1, in part, requires FT-486 to be operable.

I g ; Tech. Spec. 3.3.1.1 action statement require::ents were met.. The health and safety of thet g ublic were not affected by this occurrence.

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CAUSE DESORIPTION AND CORRECTIVE ACTIONS 27,

i t o g l This incident was-caused by the plug assembly for the root valve for the transmitter I-

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