05000293/LER-1981-036-03, /03L-0:on 810709,during Testing,Pressure Switches PS-263-53A & PS-263-52A Were Found Higher than Setpoint. Caused by Setpoint Drift.Switches Recalibr

/03L-0:on 810709,during Testing,Pressure Switches PS-263-53A & PS-263-52A Were Found Higher than Setpoint. Caused by Setpoint Drift.Switches Recalibr

ML20010B265
Person / Time
Site:	Pilgrim
Issue date:	08/07/1981
From:	Whitney G BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010B263	List: 05000293/LER-1981-036, Forwards LER 81-036/03L-0
References
LER-81-036-03L, LER-81-36-3L, NUDOCS 8108140287
Download: ML20010B265 (1)

LER-1981-036, /03L-0:on 810709,during Testing,Pressure Switches PS-263-53A & PS-263-52A Were Found Higher than Setpoint. Caused by Setpoint Drift.Switches Recalibr

Event date:
Report date:
2931981036R03 - NRC Website

text

e NBC FOE *j 366 U. S. NUCLEAR REGULATORY COMMISSION (7 77)

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60 61 DOCK ET NUMB ER 68 69 EVENT D ATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBA8LE CONSEQUENCES h I o I 2 I I In performance of Surveillance Tests 8.M.2-2.1.7 Td 8.M.2-2.1.8 pressure switches l

I o 131. PS-263-53A and PS-263-52A respectively were found to be higher than the setpoint.

l l o g. l l This is in violation of T.S. Table 3.2.B which states 400 PSIG + 25.

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l o i s i I permissive for core spray and LPCI admission valves. The as-found data for each l

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