ML19347B994

Third of Five LERs 80-021/03L-0:on 800901,during Main Steam Line Drain Local Leak Rate Test,Valve MD 1-220-1 Found to Have Excessive Leakage.Cause Not Stated.Valve Will Be Repaired & Tested Before Unit Startup

ML19347B994
Person / Time
Site:	Quad Cities
Issue date:	09/22/1980
From:	Robert Murray COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19347B987	List: ML19347B986 ML19347B990 ML19347B992 ML19347B994 ML19347B997 ML19347B999
References
LER-80-021-03L-05, LER-80-21-3L-5, NUDOCS 8010160365
Download: ML19347B994 (1)

Text

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LICENSEE EVENT REPORT lh CONTROL 8 LOCK: l 1 l [l l 6

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I o l13 I9 I i I LLICENSEE 7

l0lA CODE l 0 l i 14l@l150 .' i0 I- 10 lo lo I- 10 l0Iol@lAl11Il111 LICENSE NUM6ER 25 26 LICENSE TvPE J0 l@l l

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COB'T lotil 7 3 SM i L l@lol 51010101215 14 l@l01910111810l@l019121218lo l@

60 61 COCKET NUMBER 68 69 EV ENT 0 ATE 74 15 REPORT DATE 80

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lo121 l While performing the Main Steam Line Drain Local Leak Rate Test, valve M0 1-220-1 l y o g 3, j was found to have a leakage of 96.71 scfh. This is in excess of the 18.36 scfh l I I O I .s i I allowable limit as specified by Technical Specification 4.7.A.2.i. The M0 1-220-1  ;

valve will be repaired and tested before unit startup. In-line isolation valve g i g 9 3, lo le i ! MO l-220-2 had zero leakage value.  ;

j l 0 l11 l l lotali I d0 7 8 9 Sv3 TEM CAUSE CAUSE COMP. VALVE CODE CODE SueCODE COMPONENT CODE SUSCOCE SUBCODE I

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7 8 9 10 11 12 13 18 19 20 SEQUEN TI AL OCCURAENCE REPORT REVISION ggR po E A EPORT NO. CODE TYPE NO.

@yg A l 8VENT 21 l0 l VEA 22 l-lR 23

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46 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS ji lol ] The M0 1-220-1 valve has not been repaired at this date. A supplemental report will I litil l be sent upon completion of all testing and when corrective actions have been I i,,;i l completed. .

12 131 l l LL,td.J l I 7 3 9 90 i

STA  % POWER OTHER STATUS !S RY OtSCOVERY DESCR'PTION 11 151 l Hj @ l 0l 0l 0l@l NA Local Leak Rate Test l lBl@l l

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' ACTIVITY C07 TENT AMOUNT CF ACTIVITY ~

LOCATION OF RELE ASE l Zl I' !6 jAELEASE@D l 08 *ELEASEZ!gl NA l l NA l 7 a 9 :o t, 44 45 30 PERSONh.EL EXPOSLRES NUV3ER TYPE DESCRIPTION g l 117 l l 0l 0l 0l@l Z l@l l PERSONNEL NJURIES NUM9ER O ESCRIP TION

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I 3 9 11  ?? -8 3C LOSS CF OA DAMAGE TO 8ACILITV .> '

TYPE CEOCR;8 TION I' 191 I Zgtl NA. l

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l ' 8V10 l'.h.n..E03/a6 OF PREPARER R. Murray *0NE; 3$9Ys4-2241, ext. u2 ]

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