05000255/LER-1980-033, Forwards LER 80-033/01T-0

Forwards LER 80-033/01T-0

ML18155A252
Person / Time
Site:	Palisades
Issue date:	09/25/1980
From:	Hoffman D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18045A667	List: 05000255/LER-1980-033, Forwards LER 80-033/01T-0 05000255/LER-1980-033-01, /01T-0:on 800911 During Control Rod Exercising,Rod 31 Was Misaligned.Caused by Rod Insertion Length.Procedures Revised to Lessen Insertion & Remain within Tech Spec Requirements
References
NUDOCS 8009300484
Download: ML18155A252 (2)

LER-1980-033, Forwards LER 80-033/01T-0

Event date:
Report date:
2551980033R00 - NRC Website

text

consumem Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201 * (517) 788-0550 September 25, 1980 Mr James G Keppler O:ffice of Inspection and En:forcement Region III U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - LICENSEE EVENT REPORT 80-033 - MISALIGNED CONTROL ROD On the reverse side is Licensee Event Report 8Q..,Q33 which is reportable i.lnder Technical Specification S-5.2.

David P Hoffuan Nuclear Licensing Administrator CC Director, Office ;of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement NRC Resident Inspector - Palisades SEP 2 9 1980

PALISADES PLANT NRCFORM366 17*771 U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I I G)

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION!

1 e

[ill] IM I rl Pl A I LI i l@lo Io I -1 ol o lo Io I o 1-Io I ol@I 41 111 I 111 IG)I I I@

7 8

9 LICENSEE CODE 1*

,5 LICENSE NUMBER

Z5 26 LICENSE TY'E 30 57 CAT 58 CON'T 0J]

7 8

~~:~ L.1..K!)tol sto to I 0121 st s(?)I 012 11111810@10 I 912 15181 ol@

60 61

" DOCKET NUMBER 68 69 EVENT DATE 7*

75 REPORT DATE BO EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES @

[))1] I During control rod exercising, rod 31 was momentarily misaligned, as

[]JI)._! __ e_v_id_e_n_c_e_d_b_Y....__a_B_-_i_n_c_h_d_e_vi_*_a_t_i_o_n_al_arm

__._*_c_o_n_d_i_* t_i_o_n_i_s_a_d_e_gr..__a_d_e_d_m_o_d_e __ _

~ permitted by TS 3.10.4, and reportable per special TS s-5.

No threat

((]IJ._l __

.t_o_p_u_b_li_*_c_h_e_al_t_h __ o_r __ s_a_f_e_t_y __

e_x_i_s_t_e_d_. ___________________________________ ~

[))))

[ill]

[mJ 7

8 9 I:ml 7

B SYSTEM CODE IR !BI@

9 10

CAUSE

CAUSE COMP.

VALVE COOE SUBCODE COMPONENT COOE SUS CODE SUBCODE 112.J Llj@ !cl RID!RIVIEI@ w@ w@

11 l:Z 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT t:::\\ LERIRO LVENT YEAR REPORT NO.

CODE TYPE v.:,J REPORT I 8 I 0 I I

I I 0 I 3 I 3 I I /I I 0 I 1 I w

I I NUMBER 21 22 23

Z*

26 27 2S 29 30 31 REVISION NO.

1QJ 32 BO ACTION FUTURE EFFECT SHUTDOWN

~

ATTACHMENT NPRD-4 PRIME COMP.

TAKEN ACTION ON PLANT METHOD HOURS 22 SUBMITTED FORM :i>UB.

SUPPLIER lQ.J@L!J@ l!.J@

1.!.J@

I o I o I O!

I l!J@)

L.!J@)

L!..J@

COMPONENT MANl,JFACTURER I Ct4 j 9 !0 I 33 34 35 36 37 40 41 4:Z 43 CAUSE DESCRIPTION ANO CORREC'rlVE ACTIONS @

44 47 DJ)) I The procedure for control rod exercising required inserting rods DID 6 inches, which was sufficiently close to the 8 inch deviation alarm p~int to result in rod misalignment.

The procedure has.been revised to o:rn IJ:Il]._! __ r_e_qu_ir_e_1.,..e_s_s_i_n_s_e_rt_i_o_n_(_w_h_i_l_e_s_t_i_11 m_e_e_t_1_* n_g __

T_s_r_e_q_ui_*_r_e_m_e_n_t_s_o_n_t_o_t_al OE rod travel)

• 7 8

9 FACILITY

'3Q\\

METHOD OF

(.;;\\

STATUS

% POWER OTHER STATUS '1-:::J DISCOVERY DISCOVERY DESCRIPTION ~

[iTIJ Lru@ IO I 8 I 21@1 NA

• W@... I _R_evi_*_e_w_of--=p,__r_o_ce_d_ur_e __

7 B 9 10 12 13 44 45 46 ACTIVITY CONTENT

~

RELEASED OF RELEASE AMl)UNT OF ACTIVITY DJIJ W@ ~@I NA I

7 8

9 10 11 80 SD LOCATION OF RELEASE @

NA 45 so PERSONNEL EXPOSURES f.::\\

NUMBER

~

TY'E Q DESCRll'TION ~

IIlil I 0*1 O! 0 '~~~----...,..------:N=-:A;...._ ______________ ~

7 8

9 11 12 13 80 PERSONNEL INJURIES c:;-.,

NUMBER DESCRll'TION~

E:II1 IOI 0101@>~---------N~A ______________ __,, _ __.

7 8

9 11 12 LOSS O" OR OAMAGE TO FACILITY '43' TYl'E

DESCRIPTION

~

rr:m W@

NA 7

s 91

~o~----------------------------------------------------------------------------eo 80 PUBLICITY C\\

ISSUED I."::'\\ DESCRll'TION ~

NRC USE ONL y

[))II L!J~---------------------N_A _____________ ~ I I I I I I I ! I I I I I 7

8 9

10 68 69 BO