ML17339B048

RO 251-80-07:on 800507,disc Studnut Was Discovered Missing from Main Steam Check Valve 4A.Disc Stud Sustained Wear Damage.Cause Not Stated.Repairs & Replacement of Nut W/Improved Locking Device Will Be Complete Before Startup

ML17339B048
Person / Time
Site:	Turkey Point
Issue date:	05/08/1980
From:	Hays J FLORIDA POWER & LIGHT CO.
To:
References
PTP-QC-30-079, PTP-QC-30-79, NUDOCS 8005230427
Download: ML17339B048 (4)

Text

REGULATOR INFORMATION DISTRIBUTION SYSTEM (RIDS) 50 251

'Bd REC IP, hAHE ACCESSION NBR:8005230427 DOC ~ :DATE: 80/05/08 NOTARIZED:

NO FAC rkey Point Planti Unit 3i Florida Power and Light C

rkey 'Point Plantg Unit 4g Florida Power and Lignt C

AUTHOR AFFILIATION Florida Power L Light Co ~

REC IPIEIJT AFFILIATION DOCKET ¹ 05000250 05000251

SUBJECT:

RO 251 80 07:on 800507Edisc studnut was discovered missing from main steam check valve 4A ~ Disc stud sustained wear damage Cause not stated, Repairs 8 replacement of nut w/improved locking device will be complete before startup, DISTRISUTIOR CODE:

aoo2S COPIES RECEIvED:LTR 3 ENCL c'IZEr~

TITLE: Incident Reports I40TES; REC IP IEI'JT ID CODE/NA,~EE ACTI04:

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REC IP IE'NT ID CODE/NAME 02 NRC PDR MPA 15 NOVAK/KNIEL 17 AD FOR ENGR 19 IilC SYS BR 22 REAC SAFT BR.

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KBd) FGR FACS1NRE TRAhM~ISSIGQ TO CNZJRH RFPCRTP3lLK GCCMZH~K 2&1-EG-07 g, OZARK This sara confirm cur notifiatio,". of tt e sNjac err..-.qt rxtifimari an reap<(-,..':

ceiurrer(ea made 4erb;csday, Rag 7, 15PG, to Rr. El rod. of >our affiche a=- fol lr..;='g i.'=dreads, Vey Z, 19~Q, in the actor l Gf perfor-in@ p)ar(lcd':;:~"it.lan~t("8 act.e.",t.i

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resclt rf a prch1'ea,initially detected m Umt 3 (see 1.CR 2""D-79-3l.). tr;e ai=-

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gas discovered sissing fry the 4A rain to=a c1;eel valve.

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tfa prc1.zx. position ar;d the valve ~~s i@i)y ape-.rable as fo~rd a)%ho~:h tra di c ~t~.:

sustain sate ~r <<Brags frr-tie lacsa f1at sash r <s rep~rIa8 i'i.is li(l.

DKH:sr Plank hhirag&X ~ QUCl23f'3 g/o SOO5 F80