ML17326A433

LER 79-064/03L-0:on 791201,during Investigation of High Steam Generator Level Indication for Channel 1 Loop 4, Transmitter Blp 141 Found Out of Spec.Caused by Unknown Defect.Unit Sent to Manufacturer.Investigation Ongoing

ML17326A433
Person / Time
Site:	Cook
Issue date:	12/27/1979
From:	Delong S INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17318A528	List: ML17318A527 ML17326A432 ML17326A433
References
LER-79-064-03L, LER-79-64-3L, NUDOCS 8001020410
Download: ML17326A433 (2)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION

~ 4 o a l CENSE E EV EN T R E PORT CONTROL BLOCK: Qi {PLEASE PRINT OR TYPE ALI. REQUIRED INFORMATION)

I 6

~oi 7 8 9 M I 0 LICENSEE CODE C C 1Qo0 14 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 25 Qo4 26 1 1 1 LICENSE TYPE 1

30 Qo~Qo 57 CAT 58 CON'T 0 0 0 0 3 5 2 0 7 9 1 2 2 7 7 9

~01 RE'DR SOURCE I L I~B 5 1 Q7 1 1 Qs 80 Qg 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES ~10 DURING THE INVESTIGATION OF A HIGH Yl'EAM GENERATOR LEVEL INDICATION, FOR CHANNEL I LOOP 4, TRANSMITTER BLP 141 WAS FOUND TO BE 13 PERCENT OUT OF SPECIFICATION HIGH.

THIS CONDITION WAS NON-CONSERVATIVE WITH RESPECT TO T.S. TABLE 2.2-1 ITEM 13 AND TABLE 3.3-1 ITEll 14.

~OB

~OS 80 7 8 9 -

SYSTEM CAUSE CAUSE COMP. VALVE

[OOS] ~IA Q>>

E Qo ~EQlo 12 13 I Vl 3 T R U 18 Qlo ~f 19 Q>q ~P 20 Qlo 7 9 10 11 SEQUENTIAL OCCURRENCE REPORT REVISION Qv LERiRP Roooo~

EVENT YEAR

~TB + REPORT NO.

~04 CODE TYPE NO.

I 21 22 23 24 26 27 28 29 30 31 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDP PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS +22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER

~ZQol 0 0 0 0 Y ~YQo4 UNQoo 8 0 8 0

~CQ18 ~XQio ~ZQoo Qoo 33 ~ 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS ~27 THE TRANSMITTER (BLP 141'OULD HOT BE BROUGHT BACK INTO SPECIFICATION AND WAS o

REPLACED. THE DEFECTIVE TRANSMITTER'WAS SENT TO BARTON FOR EVALUATION OF THE CAUSE OF THE FAILURE AND REPAIR. 'THIS'INVESTIGATION WILL REMAIN OPEN AND A SUPPLEMENTAL LER WILL Bf SUBMITTED WHEN AN ANSWER IS RECEIVED FROM BARTON.

SEE ATTACHED SUPPLEMENT.

~

7 8 9 80 Q

cIQ ~oQ FACILITY METHOD OF STATUS BB POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION Q32 I 5 28 0 0 29 NA ~BQ31 ROUTINE OPERATOR READINGS

[

45 46 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITY Q LOCATION OF RELEASE Q

~16 ~Z Q33 ~ZQ34 NA NA 80 7 8 9 10 11 44 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q3g 7

7 8

~00 9

0 11 Qov 12 Z Qoo 13 NA 80 PERSONNEl. INJURIES NUMBER DESCRIPTIONQ41 7

a 8

~oo 9

o Qo 11 12 NA 80 LOSS OF OR DAMAGE TO FACILITY 9

TYPE Z Q42 DESCRIPTION Q43 FQoica IG 80 7 8 9 10 PUBLICITY NRC USE ONI Y ISSUED DESCRIPTION IPJ O ~Q44 c 8 9 10 68 69 80 o S. D. DeLong .616-465-5901 0 L

NAME OF PREPARER PHONE: 0

SUPPLEMENT TO LER ¹79-064 03L-0 SUPPLEMENT TO CAUSE DESCRIPTION THE ACTION RE(}UIREMENTS OF T.S. TABLE 2.2-'1 ITEM 13 AND TABLE 3.3-1 ITEM 14 WERE FULFILLED.