ML17317B006

LER 79-008/03L-0 on 790207:containment Atmospheric Air Particulate & Gaseous Radiation Monitoring Sys Pump Was Continuously Tripping.Caused by Misalignment of Pump Bypass Flow Adjustments Due to Normal Pump Wear.Flow Rate Adjusted

ML17317B006
Person / Time
Site:	Cook
Issue date:	03/13/1979
From:	BELLMAN T P INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B004	List: ML17317B003 ML17317B005 ML17317B006 ML17317B007
References
LER-79-008-03L, LER-79-8-3L, NUDOCS 7903190300
Download: ML17317B006 (2)

Text

CZ3~O3 PUMP WAS DISCOVERED'TO BE CONTINUALLY TRIPPING DUE TO A HIGH FLOW CONDITION.

THE ACTION STATEMENT OF T.S.TABLE 3.3-3 ITEM 3c2 WAS OBSERVED WHILE ADJUSTMENTS WERE NRC FORM 366'.S.NUCLEAR REGULATORY COMMISSION LICE NSEE EVENT REPORT P CONTROL BLOCK:{PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6 M I 0 C C 1 Q20 0 0 0 0 0 0 0 0 0, 0QE 4 1 1 1"1 QE~QE 7 8 9 LICENSEE'ODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T[0DI]REPORT~QB 1 Q7 O 2 O 7 7 9 Q QB SOURCE 7 8 60 61 DOCKET NUMBER 6869 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES

~10 THE CONTAINMENT ATMOSPHERE AIR PARTfCtjLATE AND GASEOUS RADIATION MONITORING SYSTEM~O6 PERFORMED.

SIMILAR EVENTS INCLUDE 315/76-027.

~OB~OB 7 8~OS 7 8 80 SYSTEM CAUSE CAUSE COMP.VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE C Q11 E.QTE~BQ13 P 0 M P X X Q14~MQ15~Z Q18 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRO EVFNT~AR REPORT NO.CODE'YPE NO.Q17.REPORT~7'U LJLJJ}LSJ U~LLI Ll-LJ 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP.COMPONENT TAKEN ACTION ON PLANT METHOD HOURS+22 SUBMITTED FORM SUB.SUPPLIER MANUFACTURER Q18~ZQTR~ZQ20 Z Q>>0 0 0>N Q23~NQ24 N Q25 N 1 2 0 Q28 33 34 35 36 37 40 41 42 4 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS A27 THE CAUSE WAS TRACED TO THE PUMP BVPASS FLOW ADJUSTMENTS WHICH HAD BECOME MISALIGNED.

THE FLOW RATE WAS ADJUSTED TO THE PROPER VALUE AND CORRECT OPERATION WAS VERIFIED.THE CAUSE OF THE EVENT HAS BEEN ATTRIBUTED TO NORMAL PUMP WEAR.NO FURTHER ACTION 3 IS CURRENTLY PLANNED.7 8 9 9 11 12 LOSS OF OR DAMAGE TO FACILITY 43 4 7'9 FACILITY STATUS%POWER'THER STATUS Q~l5 C Q28~0>0 Q28 NA 7 8 9 10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITY Q 6~, Q33~ZQ34 7 8 9 10 11 44 PERSONNFL EXPOSURES 7 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTIONQ41

[ii~]~<<0 Q48 NA 45 46 45 NA LOCATION OF RELEASE Q METHOD OF Pl)CgV j)Y DESCRIPTION

~32 80 80 80 80 80 7 8 O 7 8 9 10 PUBLICITY ISSUED DESCRIPTION

~10 NAME OF PREPARER T.P.Beilman 616-465-5901 68 69 80 NRC USE ONLY o 2 80 o 0