05000339/LER-1981-009-03, /03L-0:on 810107,during Leak Test Containment Personnel Hatch Outer Door Leaked Air Past Seals.Caused by Improper Fitup of Door Seals to Frame.Door Adjusted

/03L-0:on 810107,during Leak Test Containment Personnel Hatch Outer Door Leaked Air Past Seals.Caused by Improper Fitup of Door Seals to Frame.Door Adjusted

ML20003A407
Person / Time
Site:	North Anna
Issue date:	01/29/1981
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20003A402	List: 05000339/LER-1981-009, Forwards LER 81-009/03L-0 05000339/LER-1981-009-03, /03L-0:on 810107,during Leak Test Containment Personnel Hatch Outer Door Leaked Air Past Seals.Caused by Improper Fitup of Door Seals to Frame.Door Adjusted
References
LER-81-009-03L-01, LER-81-9-3L-1, NUDOCS 8102030631
Download: ML20003A407 (2)

LER-1981-009, /03L-0:on 810107,during Leak Test Containment Personnel Hatch Outer Door Leaked Air Past Seals.Caused by Improper Fitup of Door Seals to Frame.Door Adjusted

Event date:
Report date:
3391981009R03 - NRC Website

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U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK / / / / / / / (1)

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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LICENSEE CODE LICENSE NUMBER LICENSE TYPE CAT

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O, DOCKET NUMBER EVENT DATE REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES (10)

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On January 7,1981, with the unit in mode 1, the containment personnel hatch

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outer door leaked air past its seals during a leak test.

Since the inner door /

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remained operable and the outer door was repaired within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> the health

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and safety of the general public were not affected. This is contrary to T.S.

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3.6.1.3 and reportable pursuant to T.S. 6.9.1.9.b.

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SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

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SEQUENTIAL OCCURRENCE REPORT REVISION LER/R0 EVENT YEAR REPORT NO.

CODE TYPE NO.

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ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS SUBMITTED FORM SUB. SUPPLIER MANUFACTURER [E/ (18) LZ/ (19) [Z/ (20) [Z/ (21) /0/0/0/0/ (22) [Y/ (23) [Z/ (24) [A/ (25) /C/3/1/0/ (26)

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS (27)

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The cause of the leaking seals on the outer hatch door was due to improper

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fitup of the door seals to the frame. The outer hatch door was adjusted to

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allow the seals to mate properly and the leak test was performed satisfac-

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torily.

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FACILITY METHOD OF STATUS

% POWER OTHER STATUS DISCOVERY DESCRIPTION (32)

/ (30) DISCOVERY

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[E/ (28)

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NA [B/ (31)

/WHILE PERFORMING LEAK TEST /

ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY (35)

LOCATION OF RELEASE (36)

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PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION (39)

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PERSONNEL INJURIES NUMBER DESCRIPTION (41)

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LOSS OF OR DAMAGE TO FACILITY (43)

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PUBLICITY ISSUED DESCRIPTION (45)

NRC USE ONLY

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NAME OF PREPARER W. R. CARTWRIGHT PHONE (703) 894-5151 8103Gbqfp3{

I Virginia Electric and Power Company North Anna Power Station, Unit #2 Attashment:

Page 1 of 1 Docket No. 50-339 Report No. LER 81-009/03L-0

Description of Event

On January 7,1981 the Unit in mode 1, the containment personnel hatch outer door leaked air past its seals during an air leak test.

Probable Consequences of Occurrence Since the inner door remained operable and the outer door was repaired within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> the health and safety of the general public were not affected.

Cause of Event

The cause of the leaking seals on the outer hatch door was due to improper fitup of the door seals to the frame.

Immediate Corrective Action

Immediately upon indication of the leaking hatch seals, an Emergency i

Maintenance Request was written and a Deviation Report was submitted.

The outer watch door was adjusted and retested with s.tisfactory results.

Scheduled Corrective Action No corrective action is scheduled.

Actions Taken to Prevent Recurrence No action is taken to prevent recurrence.

Generic Implications There are no generic implications.