ML18018B150

LER 77-027-00 for Nine Mile Point Unit 1 Regarding Discovery of an Unacceptable Linear PT Indication in the Pipe at the Safe End to Pipe Weld Joint

ML18018B150
Person / Time
Site:	Nine Mile Point
Issue date:	06/02/1977
From:	Schneider R Niagara Mohawk Power Corp
To:	O'Reilly J NRC Region 1
References
LER 77-027-00
Download: ML18018B150 (6)

Text

NRC FoRM 195 U.Ss NUCLEAR REGULATORY COMMISSION DOCKET NUMBER I2.7dI, ~

FILE NUMBER

~, IIIRC DISTRIBUTION FoR PART 50 DO CKET MATERIAL INCIDENT REPORT TPI c, FROM: DATE OF DOCUMENT Mr. James P ~ O'Reilly Niagara Mohawk Pwri New York .

R Ri Schneider Corp'yracuse, 6/2/77 DATE RECEIVED 6/13/77 85LETTE R ~

QNOTORIZED PROP INPUT FORM NUMBER OF COPIES RECEIVED

/Xra W~

JPfORIGINAL RlJNCLASSIFIE D Q COPY,"

DESCRIPTION ENCLOSURE I

':Licensee'vent Report (RO 50-220/77-27) on '<

II 5/19/7f'onc'erning,an unacceptable li'rreqr.- ',

I 'ACKNOWLKDGEDi PT indi.cation" being found in the pip'e't .th'.

safe end to pipe weld joint ~ . ~

tI', NOT @EMQ<z PLANT NAME ~

. Ni'ne Mile Point Unit No. 1'. (X-P) (1-P)

RJL NOTE. IP PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J COLLINS FOR ACTION/INFORMATION BRANCH CHIEF:

M 3 CYS FOR ACTION LIC, ASST,:

W CYS ACRS /@ CYS INTERNAL DISTRIBUTION REG PIL

~NRC PDR I..6c,& 2 lIIPC SCHROEDER/IPPOLITO HOUSTON NOVAK/CHECK GRIMES BUTLER HANAUER TEDESCO/MACCARY EISENHUT BAER

~

SHAO VOLLMER/BUNCH KREGER/J COLLINS EXTERNAL DISTRIBUTION CONTROL NUMBER N ~ 7716gO036 NRC FORM 1dd I2.7dI

C C

L ~ ~ 1 l

hlMP-0091 NIAGARA MOHAWK POWER CORPORATION t~

,i'll)I~i'IAGARA MOHAWK 300 ERIE BOULEVARD, WEST SYRACUSE. N. Y. I3202 8

IIECEIV Q f 45~z3 JUN >g77 MIc. Jamu P. OIReLQ,y NAe&oh. R U~ed S~u hlueL~ RegccLatoay CommQ a~on Region I 691 Puck Avenue, King o P un'~ PA. 1940 6 RE: Socket hlo. 50-220

'OeaIc ~. O'ReLQ,y:

In accordance uI&h Mne hKLe Po~ hlueLe~ S~on U~ <1 Teduu'caL Speci(ieatcow, uIe hefceby submit Licensee Eveat RepoM LER 77-27.

TkQ xepojLt um complied ~n Che $ otunat deeignatedL n Event RepoM Ine~ctcon BookLet 00E-SS-001, dated She'ienee O&obeIc 1974, jcevmed Oeemebm 8, 1975.

Velcro ~y Ijou45,

.. "y~m R.R. Schnecdm Vaee Peeh&ent-ELe~c Paoductcon TNR/mtm Attachment 771660036

'E ti 1

\

f ~

't g

I A

LICENSEE EVENT REPORT CONTROL BLOCK: t'PLEASE PRINT ALL REQLIIRED IMFORMATION)

X 1

LICENSEE LICENSE EVENT NAME LICENSC NUMBEA TYPE 'TYPE Y N P 1 4 1 1 1 1 ~01 89 P';

~~

7 14 15 25 28 <'>g 30 31 32 qf f'It 4)i AEPOAT AEPOAT V4 ~ CF CATEGORY TYPE SOURCE OOCKET NUMBEA EVENT DATE AEPOAT DATE

[CD1IcOM'T L 0 5 0 0 2 2 0 0 S l 9 7 7 0 6 0 2 7 7 7 8 57 58 59 60 61 69 74 75 80 I

EVENT DESCRIPTION Qo 2 Durin re lanned inservice inspection qf reactor vessel emergency condenser steam 7 8 9 80 outlet nozzle an unacce table linear PT indication was found in the pipe at the 7 89 80 100j4

7. 8 9 fe end to ie weld 'oint. In rindin out this indication it was necessary to 80

[06~] rind through the entire ipe wall. The 90 pipe elbow was removed and replaced 7 8 9 in kind. LER 77-27 tm 7 8 9 80 PA'ME SYSTEth CAUSE COMPONENT CDthPOMENT CODE CODE COMPONENT CODE SUPPIXA MAAIUFACTURER

[ogjI ~QE F, Z Z Z Z Z z z z z 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION rOOI Unknown 7 8 9

@os]

7 8 9

[iso]

7 89 METIIOO OF 80 Ld'I~0 FACILITY

- ~ OISCOVEAY OESCAIPTION STATUS,  % POVVEA OTHEA STATUS OISCOVEAY E38 NA Inservice Ins ection 7 9 'IO 12 13 44 45 46 80 FORM OF ACTIVITY COATENT RELFASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE G~H LzJ NA NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBEA TYPE DESCRIPTION

~0 ~OO O ~Z NA 7 89 11 12 13 80 PERSONNEL INJURIES NUMBER DESCRIPTION 89

~00 0 NA 7 11 12 60 OFFSITE CONSEQUENCES Jig NA 7 8 9 60 I.OSS OR DAMAGE TO FACILITY TYPE OFSCAIPTION

@~6 Z NA 7 89 10 80 PUBLICITY NA 7 89 80 ADDITIONAL FACTORS 7 89 80 7 OS 80 PHONE:

CPO ddI ~ 667

I C 0 gocU~B g'ECBV pggcU gild QH<~

)~.(( gQ )

gg28 1

I g I

/

%0 Qf +gf' MH-owsn