ML17053B839

Forwards LER 80-012/03L-0

ML17053B839
Person / Time
Site:	Nine Mile Point
Issue date:	08/01/1980
From:	Lempges T NIAGARA MOHAWK POWER CORP.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053B840	List: ML17053B839 ML18037A278
References
NMP-2444, NUDOCS 8008110342
Download: ML17053B839 (2)

Text

gHP-2444 7 NlAGARA 4 U MOHA%f.

NIAGARA MOHAWK POWER CORPORATION/300 ERIE BOULEVARD WEST. SYRACUSE. N,Y. 13202/TELEPHONE (315) 474-1511 August 1, 1980 hh. Bogce H. Gtu'.en., Oi/Le~/L

. UIIited S~e5 NucLea/L Reg~/I.y Co~sion Region I 631 Pa/I,k Avenue King o( P/uL5aia, PA. 19406 RE: Oock& No. 50-220 LER 80-12 Oea/L hh.. Gru,en.:

Attached m Liceru ee Eveet Repo/Lt 80-12, aubnLitted in acco/I,dance Iu'.tlI TeclIIu.caL Speci.+ration Pa/IagnapiI 6.9.2, Pa/Lt b(l). TheincideI<

,xepoMed coIa.~ed exceeding She LUI~ng Sa(etu SyaieIII Setting given Load /Lejection-ac/Iam and m de5c/ubedLn j,

in StatioII TechIIicaL Speri.+cation 2.1. 2. Speci.+cation fo/L gene/Iaido/L d~Ln Che attached /Iepo/Lt.

TlIi5 v(vuMc,on. upon ~ os'gwiaL occu/I/Ience on date5 12/1/79 and 4/19/80 a6 I/I Lien in NhjPC Occu/uI,ence Repo/Lt5 79-52 and 80-23 Iona nok iILte/Ipre&e a5 being a /Iepo/LtabLe Mem beche oI(

a~1g in comp~on Xo TechIucaL Speci +cation Req~emeet6; Upon

~ come/Lvative (u/Lthe/L anaLIyb~, M uIa5 ~cove/Ied Chat CkQ aM poiM varuance blIouLd be /Lepo/Lted because M uIm in (act at a', TechnicaL Spew',pc~on LiInM huh ha5 been investigated by Che-Site OpetuLtiow RevieuI Committee and co/I/Lenitive action was i~iated m a~ed. "Any additionaL in(o/UIIation avaiLable. at you/I. /I.eque54. Tk@ /Lepo/Lt uxu compLeted in She $ o/Imat de5ignat'ed in NUREG-0161, dated July 1977.

Vng ~y yoIdL5, Original signed by T. E. Lempges Thomas E., Lempgeh

'ice P/I.e5idej<-

NucLea/L Genefcation

/LttaclImeIM (3 copie5) xc: Nrcecto/L, 0)pce o( ISE (.30 copiee)

O~e&o/L, 0$ )4'.ce o( h(IPC (3 copie5)

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION-I7 77l LtCENSEE EVENT REPQ CONTROL BLOCK:

Q I ,{PLEASE PRINT OR TYPE ALI. REQUIRED INFORMATION) 7 8 9 N Y N LICENSEE CODE N P 1

1 14 Qo 15 0 0 6

0 0 0 LICENSE NUMBER 0 0 o oQ34 25 26 I >>

LICENSE TYPE 30 Q4~Q 57 CAT 58 CON'T SOURCE LJQ 60 61 5.0 0 0 DOCKET NUMBER 2 2 OQ70 4 1 EVENT DATE 9 8 OQBO 74 75 801 REPORT DATE 80 QB EVENT DESCRIPTION AND PROBABLE CONSEQUENCES QIO During normal operation while performin survei 1 lance

~o testing of the turbine anticipatory trip bypass rx scram

~o switch 02-13A was found to be operating outside its setpoint of 355 psi and tolerance of + 5 Psi as found at 362 Psi.

~O6 Three other switches performing the same function

~D7 were found at proper setpoints and functioning as

~OB designed.

80 I e SYSTFM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~NB n ILL Q>> ~XQ'"-

11

~2Q>>

12 I>

I N S Y R 0 18 04 ~SQ>>

In

~Z 2L7 Olo

'80

- REVISION SEOUENTIAL OCCURRENCE IIEPOAT CODE'YPE Oll LERlAO

""ll" ACTION .FUTURE EVENT YEAR 21 22 EFFECT

~23 SHUTDOWN

~01 24 REPORT NO.

2 2G

~H 27

~03 ATTACHMENT 28 29 NPRDP

~L 30 PRIME 31 COMP.,

NO.

~0 32 COMPONENT TAKEN ACTION OM PLANT METHOD HOURS +22 SUBMITTED FORM SUB. SUPPLIER 'ANUFACTURER Olo L~JOlo LJO28 LJO 37 0 0 0 2 ~N Q23 ~YQ24 ~NO28 8 0 6 9 (

14 35 3L ~ 40 41 42 43 44 47 4'0 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 This event is attributed to instrument drift. The switch was immediatel ad usted'within set oint limits and is re ularl tested on a, monthl basis.

4

~

7 8 9 FACILITY METHOD OF STATU" ",4 POVllEA OTHER STATUS QBO DISCOVERY DISCOVERY DESCRIPTION Q32 n

I Q28 ~09 II 9 Q28 NA, [~3Q31 L Surveillance Test.

'0 8 12 II 44 4IG ACTIVITY COIJTEI.T RELEASED OF RELEASE AMOUNTOF ACTIVITYQ36 LOCATION OF RELEASE Q 6 ~ZQ33 Z Q34 NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTIOM Q39

~l7 ~00 0 O37 Z Q38 NA 80 7 8 9 11 12 13 PERSONNEL INJURIES

~00 0 Qo NA 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY ~43 TYPE DESCAIPTION Q 8 2 Q42 RA e 9 l0 80 ISSUED PUBLICITY L~~ JQ44 DESCRIPTION ~ NRC USE ONLY 8 9 10 68 69 80 ",'

S 0 o8 1. 1 II >g,, Paul Harrison PHONE: 315 343-21