ML17331A409

Updated LER 79-026/03X-1:on 790709,while Reviewing Axial Power Distribution Monitoring Sys,Two Occasions Were Discovered in Which Only One Detector Scan Was Printed Out. Cause Undetermined.Investigation Closed

ML17331A409
Person / Time
Site:	Cook
Issue date:	07/29/1980
From:	Rischling J INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17331A407	List: ML17331A406 ML17331A408 ML17331A409
References
LER-79-026-03X, LER-79-26-3X, NUDOCS 8008040097
Download: ML17331A409 (1)

Text

NRC FORM 366 (7 77] "UPDATE REPORT REVIOUS REPORT DATF LICENSEE EVENT REPORT 08-08-79"IIU. ~ S. NUCLEAR REGULATORY COMMISSION CONTROL B I.OCK: QI {PLEASE PRINT OR TYPE ALI. REQUIRED INFORMATION)

I 6

~O 7 8 9 M I 0 LICENSEE CODE 0 C 2QE 14 15 0 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0QR 25 26 4 I I LICENSE TYPE I I 30 OR~OR 57 CAT 58 CON'T

~O 8 60 LQB 61 0 5 0 o o DOCKET NUMBER 68 Q 69 EVENT DATE 74 OB 0 75 2 9 REPORT DATE 8 0 80 QB EVENT DESCRIPTION AND PROBABI.E CONSEQUENCES 10 WHILE REVIEWING APDMS PRINTOUTS, I AS DISCOVERED THAT ON TWO OCCASSIONS,

~O JULY 9; AT I3I9 AND JULY I I AT '2I28, THE RESULTS OF ONLY ONE DETECTOR SCAN

~03 WAS PRINTED OUT. THIS FAILED TO MEET THE SURVEILLANCE REQUIREMENTS OF T.S.

~04

~OE 4.2.6.2, WHICH REQUIRES 2 SCANS TO BE MONITORED. ON BOTH OCCASSIONS ADDITIONAL SCANS WERE TAKEN WITHCUT DIFFICULTY.

~OB 80 7 8 SYSTEM CAUSE CAUSE Coh1P. VALVE COMPONENT CODE

~O>>

CODE CODE SUBCODE SUBCOOE SUBCODE 7 8 9 10

~6012 11

~O>>

12 13 I N 6 T R U 18 Q14 ~XQ78 19

~2Q18 20 SEQUENTIAL OCCURRENCE REPORT REVISION EVENT YEAR REPORT NO CODE TYPE NO.

Q17 LEAIRP REPoRT LTT9 21 22, Q 23

~0' 24 6

26 Q~

27

~~>

28 29 QX 30 31 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDA PA I ME COMP. COMPONENT TAKEN ACTION

~HOER ~XQ18 33 34 ON PLANT

~2Q20 35 METHOD WOE' 36 37 HOURS 22 40

~

SUBMITTED 41 022 FORM SUB.

~NOE 42 SUPPLIER MOEs 43 44 MANUFACTURER 47 028 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o THIS'ROBLEM WAS INTERMITTENT IN NATURE AND THE CAUSE OF THIS EVENT COULD NOT BE DETERMINED. SINCE NO SIMILAR OCCURRENCES HAVE OCCURRED THIS INVESTIGATION IS BEING CLOSED. ANY FUTURE EVENTS OF A SIMILAR NATURE WILL REFERENCE THIS LER.'..

3

~i4 80

7. 8 9 FACILITY STATUS 'Ys POWER OTHER STATUS Q METHOD OF DISCOVERY DISCoVERY DESCRIPTION Q32 8 ~E Q28 ~IO 0 Qss ~C Q31 DATA REVIEW 7 8 9 10 12 13 44 45 80 ACTIVITY CONTENT RELEASED OF AELEASE AMOUNT OF ACTIVITY NA Q LOCATION OF RELEASE Q36 6 ~Z Q33 ~ZQ34 7 8 9 10 11 44 80 PERSONNFL EXPOSURES NUMBER TYPE OFSCAIPTION Q3B

~00 0 O87 ~ZQas NA, 7 8 9 11 12 13 80 PERSONNEL INJURIES NUMBER DESCAIPTIONQ41

[iie] ~00 7 8 9 0

11 Qso 12 NA 80 LOSS OF OR DAMAGE To FACIUTY TYPE DESCRIPTION Q43 Z Q4, NA

~

7 8 9 10 80 ISSUED PUBLICITY DESCRIPTION .86080~ NRC USE ONLY KZ WO 8 9 IO 68'9 BO o L. Rischling 6I6-465-590I 0 NAME OF PREPARER PHONE'.