ML17208A554

RO 335-80-17:on 800428,cracks Were Found to Occur at Same Location on Stainless Steel Socket Welded Elbows During Installation in Secondary Sys.Caused by Defective Fittings. All Identical Fittings Were Inspected & Found Satisfactory

ML17208A554
Person / Time
Site:	Saint Lucie
Issue date:	04/29/1980
From:	Wethy C FLORIDA POWER & LIGHT CO.
To:
References
REF-PT21-80-226-000 NUDOCS 8005080344
Download: ML17208A554 (3)

Text

REGULATORY I RMATION DISTRISUTION SYST. (RIOS)

ACCESSION NBR:8005080344 DOC ~ DATE: 80/04/29 NOTARIZED: NO DOCKET ¹ FACIL;50 335 St.. Lucle Plantg Unit 1g Florida Power 3 Light Co ~ 05000335 AUTH ~ NAME, AUTHOR AFFILIATION WETHYEC AM, Florida Power 8 Light Co.

RECIP ~ NAME RECIPIENT AFFILIATION

SUBJECT:

Ro 335 80 17:on 800428qcracks were found to occut at same location on stainless steel socket welded elbows during installation in secondary sys Caused by defective fittings,

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All identical fittings were inspected L found satisfactory.

DISTRIBUTION. CODE: AOOES COPIES RECEIVED:LTR g ENCL 9 SIZE:~

TITLE: Incident Reports NO T E S ~ ee>>~m~eneesoeeyweaee>>~>>~>>

RECIPIENT COPIES RECIPIENT COPIES IO CODE/NAME L'TTR EN L ID CODE/NAME LTTR,ENCL ACTION: OS BO EDgB %g 4, INTERNAL! 0 E 1 02 NRC POR 1 0 ILE 2 11 MPA 3 14 TA/EDO 1 15 NOVAK/KNIEL 1 16 EES 1 17 AD FOR ENGR 1 18 PLANT SYS BR 1 19 I8C SYS. BR 1 20 AD PLANT SYS 1 22 REAC SAFT BR 1

?3 ENGR BR 1 24 KREGER 1 25 PHR SYS BR 1 26 AD/SITE ANAL 1 27 OPERA LIC'R 1 28 ACDENT ANLYS 1 29 AUX SYS BR 1 AD/ORP>>OOR 1 AEOD 10 1 BERLINGER P C ~ 3 DOUG MAY TERA 1 HANAUERpS ~

JORDANpE ~ /IE 1 EXTERNAL: 03 LPDR 1 04 NSIC 29 ACRS 16 1 8 )cog TOTAL NUMBER OF COPIES REQUIRED: LTTR 61 ENCL

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'1'o. Jfr. J. P. O'Iteilly, 1)ircctor Office of In"peat.ion Pcginn and Enl'~@tIeA;g II ] p oigflu.v'9, >9an IJ. S. Nuclear Pegulat:nry Co-..='ission AI3 g~ I,

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8 Atlanta, Ccorgia 30303 P g g lCAN 1"ron: Jfr. C, lf. IJet:hy, Plant: .'fanager St. Lucie 1'lant bl'R 67 Florida Po~-cr 0 J.ight Cc-..pany Jfiarii, 1'lorida

Subject:

'll'0 FOP. FACS3,'Ill 8 T~4V.'S)IISSTGX TO CG"I'IP f 10 CrR PAPT 21 I'110llPT IIEPOaTAVa.E OCCIZal:::CE 335-80-17 Cracking In 1/2" Schedule 40 Stainless Steel Elbows Tltis me~o is to confi~ a telephone call on April 28, 1980 t:o '.fr..

St:eve Zlrad af your office Event: On April 28, 1980, upon performance of liquid pcnet:rant e~a-;nination of Scltedule 40 1/2" stainless steel A5 "ocl t: velded elba;rs being, in .tailed in a secondary system, cracks frere found to have occurred at approzinately t:he sar.'e location in eacl> fittin;;.

Investigation of the inczdent determined that tl]e fittings ~ere prc-cured to AS!I Section. III Cla"' require~ents and vere received Mith appropriate certlficatidns dated in August ]974 fran Standard I'ittfngs Co. pany of Opelousas, J a. The fitt:ings of t:hi heat: appear to bc defective in that al J three of the fitt:ings received fran lteat code, 1PL, heat nu>br.r P20300 cracked upon in tal]ati,nn. Tun a." the three fittin of another heat code and heat number procured at the sa-, e t joe vere inspected ard inhere found ta bc acceptable. The t:hird is

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inaccessible This event is repartablc in that: the material vhich was procured ta

• . AS'.fE Sect:ion III Cla's 2 requirements could have bee6 installed in safety related systems, t: he cracking appears ta 'be gen ric, and the" liquid penetrant era-. ination cauld have failed to reveal t.he cracking.

Corrective Action:

As noted abovp, idontical fittings of a different heat procured at the.

same tine vere inspected ard found to be satisfactory. It ttas that. St. lucia Unit' 'has no'-at:her fjt~tinfts of the questionable deter-'ined heat an si.tc. St. Lucic IJnit 2 and Turkey Point Units 3 and 4 Mill be notified of this event.

C. 11. Ik:thy Plant )fanagcr goo~

St. Lucic Plant 5 QII4/B.'IP: cs'r .r/o