ML17317B470

LER 79-026/03L-0 on 790723:while Studying Computer Printout for Axial Power Distribution,Discovered One Detector Scan Printed Out.Problem Under Investigation.Operations Personnel Closely Monitoring Printouts

ML17317B470
Person / Time
Site:	Cook
Issue date:	08/08/1979
From:	Rischling J INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B466	List: ML17317B465 ML17317B470 ML17317B472
References
LER-79-026-03L-02, LER-79-26-3L-2, NUDOCS 7908210521
Download: ML17317B470 (1)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION

{7-77)

ICENSEE EVENT REPORT

" COIIITFfOL BLOCK: (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

Qi 6

~O 7 8 9 M I D LICENSEE CODE C C 2 14 Q2 15 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 0 Q3 26 4 1 1 LICENSE TYPE 1 1 30 Q4~Q5 57 CAT 58 CON'T

~O 7 8 SOURCE LAO 60 61 0 5 0 DOCKET NUMBER 68 0 69 EVENT DATE 74 QB 75 REPORT DATE 80 OB EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 WHILE REVI WI

~O3 JULY 9 AT 1319 AND JULY 11 AT 2128, THE RESULTS ON ONLY ONE DETECTOR SCAN

~O4 WAS PRINTED OUT. THIS FAILED TO MEET THE SURVEILLANCE RE UIREMENTS OF T.S. 4.2.6.2g WHICH REQUIRES TWO SCANS TO BE MONITORED'N BOTH OCCASSIONS

~O6 ADDITIONAL SCANS WERE TAKEN WITHOUT DIFFICULTY.

~O7

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

~>>Qll 10 11 E Qls Uos 12 13 T

18 Q4 ~X 19 Q16 ~Z 20 Q16 SEQUENTIAL OCCURRENCE

'YPE REPORT REVISION Lola U EVENT YEAR ~ REPORT NO. CODE NO.

LF RIRP Q ".'.""'ZlLZI LU 21 22 23 24 26 27 LU~

28 29 Uz 30 Ll 31 L<J 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME POMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER UNQls UXQ73 UZQ2o UZQ21 0 0 0 0 ~NQ23 UNQ24 UNQ2s W 1 2 0 Q23 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 0 THIS PROBLEM IS STILL UNDER INVESTIGATION IT NATURE AND THE CAUSE HAS NOT YET BEEN IDENTIFIED. TI IS IDENTIFIED AND REMEDIED OPERATIONS PERSONNEL ARE CLOSELY MON-3 ITORING THE APDMS PRINTOUTS INSURING THE T..S. SURVEILLANCE RE UIREMENTS 4 ARE FULFILLED.

7 8 9 80 FACILITY METHOD OF STATUS POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION Q32

~10

%%d

~ls E Qss 10 0

12 Q23 NA 44 L~JQ31 45 46 DATA REVIEW 80 7 8 9 13 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITYQ36 LOCATION OF RELEASE Q36 Q33 ~ZQ34 NA 7 8 9 10 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 7 ~00 0 Q37 Z Q33 13 NA 80 7 8 9 11 12 PERSONNEL INJURIES s ~oo NUMBER o Q4o DESCRIPTION Q41 NA 08'2/6F2 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION Z Q42 NA 7 8 9 10 80 O

ISSUED

~NQ4 PUBLICITY DESCRIPTION ~ NA NRC USE ONLY I

7 8 9 10 68 69 80 ls 0

NAME OF PREPARER J.L. RISCHLING PHONE, 616 465 5901