ML17317A831

LER#78-098/03L-0 on 781010:axial Flux Difference(Afd) Monitoring Alarm Point Was Discovered to Be Set at 103% Vice 84%.Caused by Afd Alarm Trip Point Being Raised for Testing Purposes & Not Returned to Correct Point

ML17317A831
Person / Time
Site:	Cook
Issue date:	12/20/1978
From:	Beilman T INDIANA MICHIGAN POWER CO.
To:
Shared Package
ML17317A823	List: ML17317A822 ML17317A824 ML17317A825 ML17317A826 ML17317A827 ML17317A828 ML17317A829 ML17317A830 ML17317A831
References
LER-78-098-03L, LER-78-98-3L, NUDOCS 7812270286
Download: ML17317A831 (4)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT

'CONTROL BLOCK: 3 Qi {PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6 7 8 9 M 1 D LICENSEE CODE C C 2 14 QR 15 0 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 25 Q3 26 4 1 1 1 LICENSE TYPE 4

1 30 Q4~ 57 CAT 58 QR 7

CON'T 8

SOURCE

~L~B 60 61 0 5 0 0 0 DOCKET NUMBER 3 1 6Ql 68 69 0 1 EVENT DATE 0 7 8Qsl 74 75 2 2 0 REPORT DATE 7 8 80 0

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES 010

~02 TiK AXIAL FLUX DIFFERENCE (AFD) 143ÃITORING ALAHH POINT WAS . DISCOVEHED

~03 AT 103 PER CENT VICE 84 PER CEÃZ AS SPECIFIED BY T.S. 3.2.1. ADDITIONALLY THE ACTION SPECIFIED UNDER T.S. 4.2.1.1.>.2 WAS NOT PERPOHMED AS UIHED UPON

%K AFD ALARM TO OPERABLE STATUS.

~06

~06

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

~XE Qii iD Q12 ~Z, Q13 X X X X X X Q4. ~Z Q>> ~Z 20 Q18 7 8 9 10 11 12 13 18 19 SEOUENTIAL OCCURRENCE REPORT REVISION Q11 LF RIRO REPORT ACTION FUTURE EVENT YEAR

~78 21 22 EFFECT

~

23 SHUTDOWN

~pg 24 REPORT NO 8

26

~~

27

~02 28 ATTACHMENT CODE 29 NPRDNI TYPE

+z

" 30 PRIME COMP.

Q 31 NO.

32 p

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER QQQ16 ~H 33 34 Q19 ~Z 35 Q20 ~Z 36 Q2 31 0 0 40 gQ 41 Q23 gJ 42 Q24 ~N 43 Q26 44 W 1 2 0 47 Q26 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27 o THE AFD ALARM TRIP POISE WAS RAISED 10 THE NON-CONSERVATIVE VALUE FOR. TES p DURING A PHEOPERATIONAL TEST. THE TEST HOWEVER DID NOT CONTAIN PHCICEDURE TO AD3UST AND RESTORE THE ALARM TRIP POINT TO THE REQUIRED VALUE UPON COM?Li"TICN. 1HE ALARM TRIP POINT WAS IMMEDIATELYRESTORED TO NORMAL UPON 3

DISCOVERY.

4 7 8 9 80 FACILITY STATUS 14 POWER OTHER STATUS Q METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 5 E Q28 ~08 10 9

12 Q29 13 44

~AQ31 45 46 ENGINEERING DI 80 7 8 9 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITY LOCATION OF RELEASE Q CZa8 7

W 9

Q33 10 Q34 11 NA 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~00 0 Q31 Z Q38 Mi5 80 7 8 9 11 12 13 PERSONNEL INJURIES ZZ~oo 08 NUMBER DESCRIPTION Q41 NA 7 8 9 11 12 80 LOSS OF OR DAMAGE,TO FACILITY TYPE DESCRIPTION Q43 Z Q42 NA 8 9 10 80

(~P @Q 7

PUBLICITY NRC URR QNLY ISSUED DESCRIPTION ~P Pr0 0 ~N44 8 9 10 68 69; 80 0

NAME OF PREPARER K'. P. Beilman PHONE:

h t

I

h SUPPLEMEDZ TO LER g78-098/03L-0 SUPPLiKENT TO CAUSE DESCRIPTION AS THE PRHOPERATIONAL TEST WILL NEVER AGAIN BE PERK)RMED, THE AH."iKTi."D TEST WAS NOT BACKFITXED TO ADD IN A DEZAILED PKCEDURE FOR THE AMUSTNEÃZ AND RESTORATICN OF THE SUMECZ ALARMS, THE RESPONSIBLE ENGINEERING SECZION HEAD HAS H"VIEWED THIS EVENT WITH ALL SECTION PERSONNEL. ADDITIONALLY,A'.Li'ZZER HAS BEEN R1X323TLY SENT TO THE

\

SECTION HEAD REQUESTING TRAINING ON. SPECIFIC POIÃXS OF THIS EVi'"NT, INCLUDING THE NEED FOR PROMPT OPERATOR NVZXFICATICN~ WHO~ IF PROMPTLY t

NVZIFIEDI COULD POSSIBLY HAVE PERFORMED T.S. 4.2.l.l.a.2 WITHIN THE SPECIFIED TIME LIMIT.