ML17331A473

LER 80-023/03L-0:on 800916,steam Generator 2 Channel 3 Level Indication Was Found to Be Indicating 6% Lower than Other Channels.Caused by Pinhole Leak in Impulse Line at Socket Weld.Repaired & Returned to Svc

ML17331A473
Person / Time
Site:	Cook
Issue date:	10/03/1980
From:	Delong S INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17331A471	List: ML17331A470 ML17331A473
References
LER-80-023-03L-01, LER-80-23-3L-1, NUDOCS 8010090371
Download: ML17331A473 (2)

Text

I NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION f

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~ LICENSEE EVENT REPORT t

CONTROL BKOCKI Qi (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6

~i 7 8 9 M I D LICENSEE CODE C C 1 14 Qs 15 0 0 0 0 0 0 0 LICENSE NUMBER 0 0. 0. O.Qs 25 4I 1 26'ICENSE 1 1 TYPE 1

30 Q4~Qs 57 CAT 58 CON'T 68 070 69 9 1 EVENT DATE 6 8 OQs 74 75 REPORT DATE 80 QB 7 8 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10

~02 DURING NORMAL OPERATION THE STEAM GENERATOR 2 CHANNEL 3 LEVEL INDICATION WAS FOUND BE INDICATING 6 PERCENT LOWER THAN THE ASSOCIATED CHANNELS FOR THAT GENERATOR.

4 INITIAL INVESTIGATION REVEALED THA'T THE LEVEL TRANSMITTER BLP 122 OUTPUT WAS SL W Y

~06 DRIFTING DOWN. THIS CONDITION WAS NON-CONSERVATIVE WITH RESPECT TO TECHNICAL SPECIFI-

~06 CATI'ON TABLE 3.3-4 ITEM 5a. PREVIOUS OCCURANCES I C

~0 7 RO-050-316 80-009.

~os 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~09 8

~IB 9 10 O44 ~E 11 O42 LXJ 12 O44 13 3 R 0 18 O'" L~J 19 O>> IZJ 20 0'

SEQUENTIAL OCCURRENCE REPORT REVISION Q17 LERiRO REPQRT EVENT YEAR

[JQ 0 Q ~02 24 REPORT NO.

3 26 QX 27

~03 28 CODE 29 TYPE QL 30 NO.

LOJ 21 22 23 31 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDP PRIME COMP. COMPONENT TAKEN ACTION ON PI.ANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER 33 O4s ~~0>>

34

~~0m 35

~AQ>>

36 37 0 0 2 9 40

~~

41 0>> ~~O24 42

~~Oss 43 B

44 0 0 D Qss 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o THE CAUSE OF THE TRA S IP LSE LINE THE SOCKET WELD DOWNSTREAM OF THE ROOT VALVE FOR BLP- THE UNIT WAS SHUT DOWN REPAIRS ttADE AND THE G 3 THE ACTION REQUIREMENTS OF TECHNICAL SPECI FI CATION TABLE 3. 3-3 ITEM 5a WERE FULFILLED.

NO FURTHER ACTION IS PLANNED.

7 8 9 80 7

1 5 8

FACILITY STATUS 9

ACTIVITY E

O~O 2s 0 10 CONTENT RELEASED OF REI.EASE

% POWER 9 8 12 29 13 OTHER STATUS NA AMOUNT OF ACTIVITYQ35 44 METHOD OF DISCOVERY

~AQ31 45 48 OPERATOR OBSERVATION DISCOVERY DESCRIPTION LOCATION OF RELEASE Q 80

[ii~]

7 8 9 Z Qss ~ZQ44 10 11 NA 44 45 NA 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 8

~00 9

0 Qss 11

~ZQss 12 13 80 7

PERSONNEL INJURIES NUMBER DESCRIPTIONQ41 tiis] ~()

7 8 9 p p Q44 11 12 N

80 LOSS OF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION

~19 Z Q42 Nn gO /OOOO/ gg 7 8 9 10 80

~20 ~Q44 ISSUED PUBLICITY DESCRIPTION ~ NRC USE ONLY a

s 7 8 9 10 68 69 80 ss 0

NAME OF PREPARER S. D. DELONG PHONE:

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