ML17173A426: Difference between revisions

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EVENT DESCRIPTION ANu                            PROB~\;31..c *:01'*ScuUENCES@
EVENT DESCRIPTION ANu                            PROB~\;31..c *:01'*ScuUENCES@
C§:IIJ I While perforlning_pos 1600-12, Monthly Containment Purge System Operability, fuse
C§:IIJ I While perforlning_pos 1600-12, Monthly Containment Purge System Operability, fuse
[[Ir!
((Ir!
* 595-719                (feed to Drywell Air Sample Vlvs & Makeup Vlvs) was fotmd                                                                          blown~          Fuse re-placed and                    al~        valves operated except AO 1601-56 which again blew fuse.                                                                      Safety                    I
* 595-719                (feed to Drywell Air Sample Vlvs & Makeup Vlvs) was fotmd                                                                          blown~          Fuse re-placed and                    al~        valves operated except AO 1601-56 which again blew fuse.                                                                      Safety                    I
(]]!]                    significance minimal becau$e valve failed iri closed position thus maintaining primary!
())!]                    significance minimal becau$e valve failed iri closed position thus maintaining primary!
IT]]] I containment integrity.                                                                Similar event has occurred previously as ref. in 79...:054/03L-OJ
IT))] I containment integrity.                                                                Similar event has occurred previously as ref. in 79...:054/03L-OJ
     ~                  I Docket #050-237.
     ~                  I Docket #050-237.
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Latest revision as of 17:30, 18 March 2020

Forwards LER#78-062/03L-0
ML17173A426
Person / Time
Site: Dresden Constellation icon.png
Issue date: 12/08/1978
From: Stephenson B
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17173A427 List:
References
BBS-LTR#78-1583, NUDOCS 7812180223
Download: ML17173A426 (2)


Text

December 8, 1978 BBS Ltr. #78-1583 James G. Keppler, Regional. Director Directorate of Regulatory Operations - Region III U.S. Nuclear Regulatory Commission 799 Roosvelt Road Glen Ellyn, IL 60137

  • ~.:::::~;,:~\~~~~-'~~;,Lr;;;.Jie1;6~~~~:oc~ur;~nc~**'-;;~~~-~:#1~;~-S:~~!~~zi71t~~r§bi:~;i,~,.~~~;~~~0l:;~.

submitted to your office in accordance with Dresden Nuclear Power

.. *-: .*.;:~**:. ::~-:*:/~-_,.,Stat*ron*:~Te*cnn:rca:1 SpeCi.fiCat+/-on

  • 6*;:5;*~;2,!'(b)';~conditi*on*a:-:~1-e-a.d*:rng r.e*~i.:~~-'**!'"~~-t;: *r:*: * ,*:-::*~..: . '!~- ': f: ****:~-~-* .

operation in a degraded mode p~rmitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation.

BBS/deb.

Enclosure cc: Director of Inspection & Enforcement --**

Director of Management Information & Program Control File/NRC

U. S.iLEAR REGULATORY C01\lMIS::ilON

  • .CENSEE- EVENT REPORT CONTROL BLOCK; 1..I- ' - '---J....__.__....._...._~10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 0

-1 o I 1 1-1-r-1-t-l-n-l-R-l-s,_l-2-l@l-o-l~o-1---1-o--Lo-l_o_Lo

. 7 . . 8 9 LICENSEE CODE 14 15 . LICENSE NUMBER .

Io L- Io Io 1014 25 26 I1 I1 I 11 1181 LICENSE TYPE :JO I 10 51-CA-T-s8-.-=---~-

CON'T

~8  :~~~~~ L!J©I ~ s Io Io Io I2 I 3 11 1011 11 11 1s I 1 I a IG)l 1 12 Io I a I 1 I a 10 7 . 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 '

EVENT DESCRIPTION ANu PROB~\;31..c *:01'*ScuUENCES@

C§:IIJ I While perforlning_pos 1600-12, Monthly Containment Purge System Operability, fuse

((Ir!

  • 595-719 (feed to Drywell Air Sample Vlvs & Makeup Vlvs) was fotmd blown~ Fuse re-placed and al~ valves operated except AO 1601-56 which again blew fuse. Safety I

())!] significance minimal becau$e valve failed iri closed position thus maintaining primary!

IT))] I containment integrity. Similar event has occurred previously as ref. in 79...:054/03L-OJ

~ I Docket #050-237.

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7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE

,.. *,._ " .. coo_; CODE SUBCODE COMPONENT CODI; . . SUBCODE SUBCODE . .. . . ....* *.

[§12] '* *: *-. -~~*,. ~1 f7.s.H;a;H.0'~:1- El*@: 11:.J@ 1-~jkA:h*1:fT:vt~o:J':P':I@ ,.,.,~,E-1@* *71::.z;f.@t:.?:t:..-;'::1-r ,. ,. * ,_,

7 8 9 10 11. . 12 13 18 19 20 SEQUENTIAL -:.-... ..... .. . OCCURRENCE , REPORT .. REVISION REPORT NO. CODE - . -. TYPE~-~.:.*:*:*.. NO.

I 2J f I o I 6 I 2J 24 26 I /I.

27 I oI 28 3

29 I LJJ ,

JO l.=J

. . J1 LQJ 32 ACTION FUTURE EFFECT SHUTDOWN . t::::\ ATTAC.HMENT NPRD-4 P~IME COMP. COMPONENT TAKEN ACTION ON PLANT

  • METHOD
  • HOURS SUBMITTED FORM ~UB. SUPPLIER MANUFACTURER L.!1@1£.J@ Lll@ ILJ@) I o I oI oI o I Lli.I@ W@ LlLJ@ I vi o I 9 Is I@

33 34 JS 36 37 40 41 42

  • 43 44 47 CAUSE DESCRl?TION AND CORRECTIVE ACTIONS @

o::::I£J I Cause attributable to a shorted ~:>Ut coil on solenoid. Solenoid coil (Type AU 3) and IJJJJ I fuse* were replaced and valve verified operational by DOS °1600-12. No further action r7T:;"1 deemed necessary at this time*.

L..!....J.1...J '-----------------=----------------------------------------------------------------------'

OIIJ

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1 a 9 80 .

FACILITY ljQ\ METHOD:;!' r:;:;.,.

STATUS  % POWER. OTHER STATUS \::::; DISCOVEPY DISCOVERY DESCRIPTION ITTIJ L!J@ I 0 I 9 I 7 l@I....._N_A_ _ ____. ~(§)_l~~Op_e_r_a_t_i_o_n_a_l_E_v_e_n_t~~-~~~.....--=-~--

8  !) 10 12 11 44 ~ ~ ~- 80.

ACTIVITY COiHENT (.;;\

RELEASED OF RELE.*SE A~;OUNT OF ACTIVITY LOCATION OF RELEASE @

~ u_j@ Llj@.._I_N_A_ _ _ _ ____, NA 7 8 9 10 11 44 45 au PERSONMEL EXPOSURES . r:;;:;.,

NUl.~8EP. ~ TYPE DESCRIPTION~

rifil. I 0 I 0 I 0 l'3t~@ 1 _ ._ _ _ _ _ _ .... NA _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___,

8 9 11 12 13 80 PERSONNEL INJURIES ~

MUMBER .* DESCRIPTION~

EI;]8 9I o I o I o11I@ ' " ".1 2 - . - - - - - - - - - - - - - - - - - -NA

  • I

80.

LOSS OF QI~ DA.~~AGE TO FA.CILITY 143\

TYPE DE5CRIP flQN '..::.::J

[2J2J W@ . *. NA

. 1 . 8 9 . 10 80

  • - PUBLICITY C\ . NRC USE ONLY

~ l'.;SUED(.";:\ DESCRIPTION~ . *O

  • L:...L'.:..J Wc'.J * **. NA .I I I I I I I I I I I 1* I 2
  • . '7 a-t 2 1 0~o 2 O'--' ~--------~-------------------~--------------------------'68 e") ~
  • Sigmund A. Cieszkiewicz X222 69 0

a.

--* .... . NA'!!" rn::: PPl=D:ORl=r-1-~--=--------------- ?HONE:------------------- *}