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)

ACCESSION NBR:8005230427 DOC ~ :DATE: 80/05/08 NOTARIZED: NO DOCKET ¹ FAC rkey Point Planti Unit 3i Florida Power and Light C 05000250 50 251 rkey 'Point Plantg Unit 4g Florida Power and Lignt C 05000251

'Bd AUTHOR AFFILIATION Florida Power L Light Co ~

REC IP, hAHE REC IPIEIJT AFFILIATION

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 TITLE: Incident Reports RECEIvED:LTR 3 ENCL c'IZEr~

I40TES; REC IP IEI'JT COPIES REC IP I E'NT COPIES ID CODE/NA,~EE LTTR EN L ID CODE/NAME LTTR ENCL ACTI04: 05 BC /+8 Q 4 II4TER4AL: 0 Ej,g&L 1 02 NRC PDR 1 09 E 2 MPA 3 14 TA/EDO 1 15 NOVAK/KNIEL 1 1 16 EEB 1 17 AD FOR ENGR 1 1 18 PI ANT SYS BR 1 19 IilC SYS BR 1 1 20 AD PLANT SYS'3 1 22 REAC SAFT BR. 1 1 E'JGR BR 1 24 KREGER 1 1 25 PNR SYS BR 1 26 AD/SITE ANAL 1 1 27 OPERA LIC BR 1 28 ACDENT ANLYS 1 1 29 AUX SYS BR 1 1 AD/ORP~DOR 1 1 AEOD 10 0 BERLIi4GEREC ~ 3 DOUG <AY~TERA 1 1 HAQAUERnS ~ 1 JORDANEE ~ /IE 1 1 EXTER'4AL: 03 LPDR 1 1 04 NSIC 29 ACRS 16 1

<~@ ~) tssg TOTAI. NU4'BER OF COPIES REQUIRED+ LT.TR 61 ENCI.

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

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gas discovered sissing fry the 4A rain to=a c1;eel valve. Tne disc ard di z:~:J i, 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.

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