05000250/LER-2023-002, Manual Reactor Trip Due to Steam Generator Feedwater Regulating Valve Positioner Failure

Manual Reactor Trip Due to Steam Generator Feedwater Regulating Valve Positioner Failure

ML23275A053
Person / Time
Site:	Turkey Point
Issue date:	10/02/2023
From:	Strand D Florida Power & Light Co
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
L-2023-138 LER 2023-02-00
Download: ML23275A053 (3)

LER-2023-002, Manual Reactor Trip Due to Steam Generator Feedwater Regulating Valve Positioner Failure

Event date:
Report date:
2502023002R00 - NRC Website

text

October 2, 2023 Docket No. 50-250 L-2023-138 10 CPR 50.73 U.S. Nuclear Regulatmy Commission ATTN: Document Control Desk Washington, DC 20555-00001 Re:

Turkey Point Nuclear Plant, Unit 3 Docket 50-250 Reportable Event: 2023-02-00 Date of Event: August 4, 2023 Manual Reactor Trip due to Steam Generator Feedwater Regulating Valve Positioner Failure The attached Licensee Event Report 2023-02 is being submitted pursuant to the requirements of 10 CFR 50.73 to provide notification of the subject event. If you have any questions, please contact Mr.

Kenneth Mack, Fleet Licensing Manager, at 561-904-3635.

Respectfully, DL~~b Dianne Strand General Manager, Regulatory Affairs Florida Power & Light Company Attachment cc: Turkey Point NRC Senior Resident Inspector Turkey Point NRC Project Manager Florida Power & Light Company 9760 SW 344th Street, Homestead, FL 33035


















 !"#$%%&'(%)*'+,%$#)(!(-./01 % 0-%.#$% 01,2$03

455789:;

<9=>?@ABCD@EFDA?BGBHIEAHGBF5>?@F?JKL5DABIDMAC>?@J

MDDKNOOPPP=B@F=I?QO@5GHABI@JOH?FF?LL5FDA?BCOBE@5ICOCDG>>OC@

O@O


RSSTUVWXWUWY

Z
TW[/W/"W"

\]^_

`a^bcefgcbhibggb]ijh]b^jkj`il mn_

^o^o_

]`ahca^jgmkjl l

bk^_

jhgbpfb]^qrsojfg]tubijg^bcl b))jh]

l baghbcagb_

hkjgijga^bc_

h^j^obl kbh]_

hvigjkb))ahcwbceakx^j_

hcf]^gmtybhckj``bh^]gbvagc_

hvefgcbh

b]^_

`a^b^j^obz{l}~?_

egagm~ahclhwjg`a^_

jhjl l

bk^_

jh]gahko}s~tytfkl bagubvfl a^jgm

j``_

))_

jh~a]o_

hv^jh~ssss~jgemb`a_

l

^jlhwjkjl l

bk^]tub]jfgkbhgktvj~ahc^ob{gb_

bnbg

a^q{{ww_

kbjwlhwjg`a^_

jhahcubvfl a^jgm}wwa_

g]~sss~}^^hqb]x{ww_

kbgwjg^obfkl bagubvfl a^jgm

j``_

))_

jh~^oy^gbb^~a]o_

hv^jh~ssb`a_

l qj_

ga]fe`_

))_

jhj`etbjitvjtobu`am

hj^kjhcfk^jg]ijh]jg~ahcaibg]jh_

]hj^gbpf_

gbc^jgb]ijhc^j~akjl l

bk^_

jhjw_

hwjg`a^_

jhfhl b))^obcjkf`bh^

gbpfb]^_

hvjggbpf_

g_

hv^obkjl l

bk^_

jhc_

]il am]akfggbh^l mal c{kjh^gjl

hf`ebgt U 0(2(- +

WV"

WVW

"R$03-'+,%

 !

U

Y(-2

V*-R -

$*-1 R

 %


'+,%

 %

&'*-( 2

'+,%

(.($*

$


$%-R -

$*-1 R

 %

-1% 0(2(-(.*$2)

 0(2(- +

 0(2(- +

R$03-'+,%

R$03-'+,%

[% -(*!$)

UW$%2 WVW WV" UU1(.
$%-(.',+(--)'%.' *--$-1
&'(%+*-.$#UW
T¢£¥§¥§¥¨¨© UW
 %-"W "W""WU,

"W""WU)

"W""W U

"W""W "(

"W""W "((

"W""W "(((

"W""W "(

"W""W "

"W""W "(

"W""W (

"W""W ((

"W""W Y

UW
 %-"U "U"0

UW
 %-VW VW0U(

VW0U((

VW0"

VWY ((

VW[!

VW "(

VW "(S

VW "(

VW "((

VW "((S

VW "(((

VW "(

VW "

VW "S

VW "

VW "R

VW "((

VW "(((

VW "(((S

VW "(<<

VW "<<

UW
 %-

 U

 "(

 "((

U"WW 

U"WW,

U"WW0

U"WW)

U"WW

U"WW#

U"WW!

U"WW1

¬
 4K5FA>M5@5<ABGCD@GFD<?@79-°°+/-=

U"(0*.$*- 0-#$%-1(.

(0*.$* 1$*'+,%*02') % 0$)

U$+2-*(*#$% 01$+$**- (2'%R.0%(,)(*-1(.
$%-

 '.

.-+

$+$**-

 *'# 0-'%%
$%-,2-$


 '.

.-+

$+$**-

 *'# 0-'%%
$%-,2-$


UY'2+*- 2
$%-<<0-)

²5C ³>5C<F?JKL5D5 '=:µK5FD5H4EJACCA?B¶GD5

7?

UV<<0-)',+(..($*R -

$*-1 R

 %

U,.-% 0-

• AJADD? °CKGF5C<A=5=<GKK@?µAJGD5L CABIL5CKGF5HDK5P@ADD5BLAB5C

¸¹º>>1/41/2¿ÂÃÂÃÅ

ÇÇÉÇ

¹1/4ú¸º¹1/4ÃÑÃ1/41/4Â1/4ºÃº1/41/4Ã1/4º1/4¹ÃÂxØ1/4¿ÃÂ1/4º¹º1/4

ÇÚ

Ç

Å

Å

Ç

ÇÇ

ÇÜ

Ü

Å

ÇÇ

á

â1/4ºÂ

ÉÜÇÉÉ

Ñ

âx

çÑé

á

¹¹ÃÇÅÃíÂÃÅÃÇÇ1/4º1/4ºÃÂÂÃ1/41/4ºÂÃ1/4º1/4Ø1/4iÃí1/4ÅâÑÃ1/41/4Â1/4ºÃºÑnÃíÂ

º1/4Â1/4iºÃÃ1/4i1/41/4º1/4¹ÃÂØØ1/4xn¸í1/4ÅâxúØ1/41/41/4¹1/4Ãiºº1/4¹º1/4ÃÃí1/4x

íí¹1/4ó1/2i1/4ÃÂ1/4ºÃ1/4ÃíÃí1/4x¸í1/41/4ú¿ºÃ1/4ÃÂÑ1/2Ã1/4¿Ñn¹1/2ùÃ1/4

í1/4ÂÑ1/4Ø1/4º1/4í1/4¸í1/4¹ú¹ÂÃ1/4Ãí1/2Ã1/4º1/4º1/2Ãú¹ÂÂ

1/41/4Ã1/4¹º1/2i1/41/4Ã1/4º1/2Ã1/4nùÃÂѹó1/4¹1/4ÂÃÂ1/21/4ÂÃi1/4i1/4ÃÂ1/4ºÃíù1/4Ãí1/4ÅâÑ

xÃ1/41/4ºÂ1/4Ø1/4ÂÃí1/4ÅâÃ1/41/4Â1/4ºÃºííºÃ1/4Ãí1/41/4ºÃºÃ¹1/2úÃí1/4º1/4ú¸í1/4Ø1/4ÂÃ

º1/4ºÃó1/4ºÂ1/4ÃíÇâ÷ÅnnØnniºÂ1/21/4Ø1/4ÂúÂÃÂÃíú1/4¹Ã1/4ÂÃí1/4¹º¹ÃÃ

ùÃÂiÃí1/4¿ÑÂ

... ~

\ ?j I




  



 







 


 !!"#$%&%#%'

(
"%)*%*+%+

,-./

01.2356732892772-9:8-2.:;:09<

=>/

.?.?/

-01831.:7=;:<

2;./

872@62-.ABC?:67-DE29:7.23

2--:8-<

217823172/

8;:79:71.23/

8.:.?2<

/

28-/

8F97:;2--183G2351;H.:/

836-.7=DI283;:0028.-

72F173/

8F5673282-./

01.2.:.?2JKLMNO/

5717=N183L8G:701./

8P:<

2;./

8-Q718;?RSTUMVCWXNYDID

Z6;<

217 E2F6<

1.:7= P:00/

--/

8N [1-?/

8F.:8N \P ]C^^^TCCCVN :7 5= 201/

.:

L8G:;:<

2;.-DE2-:67;2_87;DF:`N183.?2KWQ72`/

2>271.AKWQKGG/

2

GL8G:701./

8183E2F6<

1.:7=

MGG1/

7-NRaV^CTCVCbXNM..8A\2-HKGG/

27G

7.?2Z6;<

217E2F6<

1.:7=P:00/

--/

8Nc]^Vc.?I.722.Z[N

[1-?/

8F.:8N\P]C^Cad201/

A:/

71e-650/

--/

8_:05D2:9DF:`DS?2ZEP01=8:.;:836;.:7

- 9:8-:7N1831927-:8/

-8:.72@6/

723.:72-9:83.:N1;:<

2;./

8:G/

8G:701./

868<

2--.?23:;6028.

72@62-./

8F:772@6/

7/

8F.?2;:<

2;./

83/

- 9<

1=-1;67728.<

=`1<

/

3KWQ;:8.7:<

860527D

fggijklm nkopqrstuvrwxvsqtytz{wszytxgpqrxql}~gvst{v?supqrl

?vv}otrxo{qrgyzst{ rlzqx xq~~gxvsqtutwrg{uuvyppurr



ikk

  



1.   

+ !


!



 

!





%$+

¢££¥§¥£¨©¢<<¬¥§§¢<<-°°+/-<<

¥²³'µ¨¶¶³*¸¹º°>>°°£1/41/2<<3/4-¿µ¨¶¶³*¿²ºÂ©<<°>>°

°¿µ¨¶¶³*ú3/4°¢--°°+/-<<Â

3/4<<°¥²³'°>>°>>¥²¿Â³<<-°-<<

3/43/4©<<¿Å°¢°¥²³'°>>°¢--°°+/-<<³µ¨¶¶³*¸¨ºÂ©<<

-°<<+/---°°+/-¢°<<3/4<<¿Ç+/--µ¨¶¶³*¹º->>

+/-<<©<<3/4<<©<<°>>É

§²¿ÂÃ¥£>>3/4+/->><<°<<-°-3/4<<³

¿Ç¶¢<<É°³¢³+/--¢²-<<É<<>>Â

²3/4¨>>

©<<³¿ÇÉ3/43/4°<<<<¥²¿Â<<¥²¿

3/4°¢<<¥²¿°¢<<¥²³'°>>°°Â©<<°³'°>>°-<<

³Â©<<1/4£-3/4É+/-¿<<Â

³3/4+/-³3/4

©<<°-°<<+/--¶°-

°>>°¢-+/-3/4©<<>>°³3/4+/-³+/--¿°

¿°Â

²>>

¹<<¬¥¥²¿<<>>É°°°°°<<<<>>

-Â

³-°¨>>

>>3/4>>>><<¥+/-3/4+/-+/->>>><<>>°>><<-°+/-

<<>>Â

©Å+/-¬¥

£

£¥

£

... ¥............,....

~

n s

~

JJ,i(

I I~

I I I I D