05000293/LER-1980-041, Updated LER 80-041/03X-1:on 800724,isolation Valves 5065-17 & 5065-22 Declared Inoperable.Caused by Valve Limits Being Out of Adjustment.Valve Items Adjusted & Exercised to Provide Correct operation.W/840308 Ltr

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Updated LER 80-041/03X-1:on 800724,isolation Valves 5065-17 & 5065-22 Declared Inoperable.Caused by Valve Limits Being Out of Adjustment.Valve Items Adjusted & Exercised to Provide Correct operation.W/840308 Ltr
ML20087N491
Person / Time
Site: Pilgrim
Issue date: 03/08/1984
From: Hamilton P, Harrington W
BOSTON EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
BECO-#84-039, BECO-#84-39, LER-80-041-03X, LER-80-41-3X, NUDOCS 8404030507
Download: ML20087N491 (2)
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LER-2080-041, Updated LER 80-041/03X-1:on 800724,isolation Valves 5065-17 & 5065-22 Declared Inoperable.Caused by Valve Limits Being Out of Adjustment.Valve Items Adjusted & Exercised to Provide Correct operation.W/840308 Ltr
Event date:
Report date:
2932080041R00 - NRC Website
v • d • e

text

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UPDATE REPORT - PREVIOUS REPORT ISSUED 6/22/80

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EVENT DESCRIPTION AND PRODABLE CONSEQUENCES h l o l2 l l On July 24, 1980, while performing surveillance test number 8.7.4.3 entitled, i

o p;g " Test isolation Valves Except MSIV's" isolation valve 5065-17 and 22 were de- y g g clared inoperable. These valves required 20 seconds versus a five second limit 9 lol5ll to close. The valves control two of seven containment sample lines of the  ;

j o ls l l Oxygen Analyzer. This event did nc,t impact the health and safety of the public.j f o fill I lofsfl i

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u lo Al 4i9 l9lo n u n a CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lilo ll The valves were electrically disabled in the closed position per Tech Spec untill 15 li l l repairs were made. Causeofthevalvefaillufowasdeterminedtobevalvelimitq

[TlT] l 'being out of adjustment. Valve limits were ' adjusted and the valves were exercis;c d i 3 l to provide correct operation. A search of records shows no similar failures ofj

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. NAME OF PREPARER P.J. Hamiiten PHONE. (617) 746-7900 k..,.m ._ _ -_

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EOSTON EDlBON COMPANY 500 50VLETON ETREET 50nTON. MASS ACHUSETTS O2199 WILLIAM D. HARRINGTON March 8, 1984 BEco. #84-039 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19406 Docket No. 50-293 License DPR-35

Dear Sir:

1he attached Update Licensee Event Report 80-41/03X-1, "02 Isolation Valves 5065-17 and 5065-22", is hereby submitted in accordance with the requirements of Pilgrim Nuclear Power Station Technical Specification 6.9.B.2.b.

If there are any other questions on this subject please do not hestiate to contact me.

Respectful,1y submitted, William D. Harri ton WDH/mg

Enclosure:

LER 80-41/03X-1 cc: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Standard BEco. LER distribution 1

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