ML20100B513

Applicant Exhibit A-C-29,consisting of Util 840511 Deficiency Rept Re Lack of Documentation of Shot Peening on Tdi Crankshafts of Emergency Diesel Generators 101,102 & 103

ML20100B513
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	09/20/1984
From:	LONG ISLAND LIGHTING CO.
To:
References
OL-A-C-029, OL-A-C-29, NUDOCS 8503280397
Download: ML20100B513 (10)

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wa rgains tocaricN as.act fac y.gs lEDC 101. 102 103 No

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'4 / A E10CR F46109C r/ A gur 389 ccNotr1CN CerA6Ls

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Short paening was performed on crankshaf ts EDC 101. 102 & 103.

No wek sununary sheets for 102 & 103 and 00A was not nocified to perfor s insoeccion of caping and for 100% coverage per ELCCR F--6109C.

• o docueencacion chac Tot

'tacal 1:iprove ene cc: sanv inspected caping prior to snot peen per E10CR F-l.6109C.

submicced doc *mencacion on shot ;eenine of only 2 replacement crankshafes.

The above condicions were cransmicced cc LSt'. I.r A vas requested by L5t.".

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3 I.DR - 2340 i el ( taping crankshaft and 100%

coverage) - accept as is.

There is a lack of work supervisor summary sheets showing a

taping and 00A inspection of the shot peening process.

Attached la a copy of e

audit report frem 70.a.

c.

I crankshafts 102 and 103 which audits the inspection, o

taping, and shot peening process.

Also attached an J

CCA verification report on shot peening coverag

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M 101 crankshaft.

The audit and verification reports d8* Trovide sufficient documentation that shot penning was 3

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1 82 (TDI taping inspection).

Attached is a ccpy of a memo from TDI stating they inspected crankshaft taping prior to shot peening.

43 (Metal Improvement Companv documentation).

Attached is 8-Meta Improvements Ccmpany documenta4ip g'$2$

aftj @l the shot peened.

verifying that A-e O(

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f. i-OE31GN COORDINATION RE. ORT 2,,,c.m

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celaval has adentified " holidays" or lacareas of the new diosci These holidays have been dispositione recent analysis performed j

g in the filletwith E&CCR F 46109C.

g as functionally acceptable by indicato thatl100t pocning coverage TDI, however, j

accordance by railure Analysis Associates i

s is oc*.cficia1.

F TEL EC'3PT OATE5 Please resolve.

DICQUE5 TING Pt.JtTY1 7

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my Since the crankshafts are delievercc toly s

1. % p in shot V

l feastu sew ion-r perform the rcworn. with the l

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Metal Improvements Co.,

pocntny;of crr.nkshafts, wilarcas shall bc ecpcened in accordancee LO to assur l Irnprover.ents che fil ct requircycnts of MIt.-S-131550 Peening shall be perfor: red by Metafor 1001 d the crankshaft inspected by oCA Refer to attached procedure.

J fillet arcas.

. h Co. on site anthe fillet areas.

pecning at

..asking is reguji ed prior TDI QC inspection of journal bcaying g 3,[

/,/'f. )f 3 I retsCuPY oarti R.c OATC pecning.

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to corr.encing shot Toi obtainedi h U"LS*C"Om #2 pecning procedure has beenwritten approv 8

3 TDI approval for shot arrens_an. m =s.<+r.ct+eswv. M1RCO'J4110 f

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Procedure for Peening Crankshafts g

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3 Machinery used to perform pcening shail be qualifLed using Alman C strip to an arc height of.008" to 0.10".

Machinery shall be qualified prior ~ to beginning each shif t*

and overy 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> thereafter.

3 time, operator Almen C strips shat hbe marked with the date, file.

and Almen C reading %torwarded to permanent plant Ghot shall for peening shall conform to the following.

Shot 2.

Hardness be in conformance with the requirements of MI 550.

of shot shall bc Re 45 to 52.

3 the before and @}a,ter f

3.

FaAA shall docu. ment via tures 9- /f-21

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_ q.Jo -7) condition oi t111ces.

bow FsAA 56 Mat h"

F.AA amu.

TDI and Peening on crankshaft shall be confined to fillets.

4.

Tolerances FaAA shall approve all masked arcas prior to pcening.

for..asking is 0" into fillet and

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into pin.

3

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32 Pcening of the unmasked areas shall be performed in'accordance 5.

with MIL-S-131C50.

Pconed areas shall be inspcceed by peenscan method.

Acceptance 6.

100% as verified by lack of UV trace in peened areas.

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criteria is iso 7. c.vu4) < o-f fe lle t aev s.

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n U. ces:aiario=1 cn coverage, celaval has identified

• holidays" or lack of shot pe rchased in arecs of the cow dicsci crankshaft.s. puThese holic ys he..c been analysis performed in t.no sillet accordance with C&CCR F %109C.

howevce, recent dicate that 100?. pacntng coverage by railuro Analysis Associates inas functic.nclly accept is beneficial.

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Je ces,.. a,.&.C..\\.$!y.w mA,.Q the site, the crankshafts are deltoverec tirm with extepsive exp V

j Since f acouw scourion' a lecc1 {orm the reworx.

h the Metal I.rprovc:-ents Ccs.. crankshafts.

coverage of the areas shall bc repecccd in accordance wit will pcr.

poentng at 04 nts requirc?. cnts of :1II,-3-13165D to assura 10Pcening shall be p The fillet

. Q Co. on sito and the crankshaf t inspected by CQA fillet arcos.

Refer to attached procedure.

the fillet arcas.

pecning at isrequjredprior'Ja 4, "d d TDI QC inspection of journal bearing masking;^f,'7'z. D-

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v..g ge ht Proceduto for Peoniner Crankshaf ts oh i

& Machinery used to perform peaning shall be qualified using

t Almon C strip to an are height of.008" to 0.10,

Machinery shall be qualified prior to beginning each shif ti, and every 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> thereafter.

I time, operator Almen C strips shal Qbe marked with the date,and Almen C readin file.

Shot shall for pcening shall confcrm to the following.550.

Hardness be in conformance with the requirements of MI Shot 2.

of shot shall be Re 45 to 52.

FaAi shall document via pictures of the befora and af ter/)g4,,4 /a/ m f /p,r p.

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fp Mign.

~ ggg condition of fillets.

PsAA S& seat TDI and Peening on crankshaf t shall be confined to fillets.raAA shall a Tolerances 4.

and 1* into pin.

for masking is 0" into fillet 37 Pcening of the unmasked arcas shall be performed in *accordance 5.

with MIL-S-131G50.

Acceptance Peened areas shall be inspected by peenscan method.is 100% as v critoria o f I* l141 acu s.

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NUCLEAR POWER STATION

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STARTUP FORM 7.4 PACE 2 REWORK SUPERVISCA WORK

SUMMARY

BRIFF DESCRIPTION CP WCRKs

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METE, CALIBRATED TCOLS UTILI2ED:

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ADDITIONAL CClWENTS:

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NUCLEAR RECULATORY COMMIS$10N O

22 Omcial tin. No. _

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Docket Me.

in the matter of staff IDENTIFIED RECE!VED Applicant RULCTED laterrenor Cent's Offs Contractor DATE Other mtuss Reporter s

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