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 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

NRC FORM 366

'. S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT P

CONTROL BLOCK: {PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6 7 8 9 M I 0 LICENSEE'ODE C C 1 14 Q20 15 0 0 0 0 0 0 LICENSE NUMBER 0 0 0, 0QE 25 26 4 1 1 LICENSE TYPE 1

"1 30 QE~QE 57 CAT 58 CON'T

[0DI]

7 8 REPORT SOURCE ~QB 60 61 DOCKET NUMBER 1

68 Q7 69 O 2 O EVENT DATE 7 7 9 74 Q 75 REPORT DATE 80 QB EVENT DESCRIPTION AND PROBABLE CONSEQUENCES ~10 THE CONTAINMENT ATMOSPHERE AIR PARTfCtjLATE AND GASEOUS RADIATION MONITORING SYSTEM CZ3 PUMP WAS DISCOVERED'TO BE CONTINUALLY TRIPPING DUE TO A HIGH FLOW CONDITION. THE

~O3 ACTION STATEMENT OF T.S. TABLE 3.3-3 ITEM 3c2 WAS OBSERVED WHILE ADJUSTMENTS WERE PERFORMED. SIMILAR EVENTS INCLUDE 315/76-027.

~O6

~OB

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

~OS C Q11 E. QTE ~BQ13 P 0 M P X X Q14 ~MQ15 ~Z Q18 7 8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION

'YPE EVFNT ~AR U LLI Ll LERIRO REPORT NO. CODE NO.

~7' Q17. REPORT 21 22 23 LJLJJ}LSJ 24 26 U~

27 28 29 30 31 LJ 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 IS CURRENTLY PLANNED.

3 4

7' 9 80 FACILITY STATUS  % POWER'THER STATUS Q METHOD OF Pl)CgV j)Y DESCRIPTION ~32

~l5 C Q28 ~0> 0 Q28 NA 7 8 9 10 12 13 44 45 46 80 ACTIVITY CONTENT AMOUNTOF ACTIVITY Q LOCATION OF RELEASE Q 7

6 8

~,

RELEASED OF RELEASE 9

Q33 ~ZQ34 10 11 44 45 NA 80 PERSONNFL EXPOSURES 7 8 9 11 12 13 80 PERSONNEL INJURIES NUMBER DESCRIPTIONQ41

[ii~] ~<<

7 8 9 0

11 Q48 12 NA 80 LOSS OF OR DAMAGE TO FACILITY 43 9

7 8 9 10 80 O

ISSUED PUBLICITY DESCRIPTION ~ NRC USE ONLY o

2 7 8 10 68 69 80 o 616-465-5901 0 T. P. Beilman NAME OF PREPARER