ML18219C363

LER-1976-010-00 and LER-1976-011-00 for Donald C. Cook, Unit 1 - Ice Buildup Around Two Ice Condenser Intermediate Deck Doors, and Failure of Wind Direction Recorder

ML18219C363
Person / Time
Site:	Cook
Issue date:	03/29/1976
From:	Jurgensen R American Electric Power Service Corp, Indiana Michigan Power Co, (Formerly Indiana & Michigan Power Co)
To:	James Keppler NRC/IE, NRC/RGN-III
References
LER-1976-010-00, LER-1976-011-00
Download: ML18219C363 (8)

Text

NRC FORSI 195 U .S. NUCLEAR REGULATORY COMMISSION DOCKET NUMBER IZ-76) 50- 315 FILE NUMBER NRC DISTRIB(3TION I oR PART 60 DOCKET MATERIAL INCIDENT REPORT FRQM: n Iana N'Ichigan 'Power Co: DATE OF DOCUMENT J.G. Keppler Bridgman, Michigan 3-29-76 R.M. Jurgensen DATE RECEIVED 4-5-,W6 QLETTER 0NOTORIZED F)I OP INPUT FORM NUMBER OF COPIES RECEIVED RIG INAL Q UNC LASS IF I E D COPY DESCRIPTION ENCLOSURE Ltr. trans the following....... RG// 76-10, on 3-8-76, Concerning Inoperable intermediate deck doors.

RO 76-11, on 3-2-76, Concerning Translator Calibration Shaft.....

{1 Cy. Received) p ~v~

PLANT NA1IE: NOTE: IF FERSG".P!"L EXPOSURE IS INVOLVED Cook 8 1 SEND DIRECTLY TO KBEGER/J. COLLINS SAFETY FOR ACTION/INFORMATION 'ENVIRO NCH CHIEF:

W 3 CYS FOR ACTION C~ ASST:

W/ CYS RS 16 CYS IIX)MENYl ENT TO LA INTERNAL D ISTRIBUTION RC PDR

&E (22 CHROEDER/IPPOLITO OVAK CHECK S S HWEN E EDESCO MACCA BAER Q,O OLLMER BUNCiI

'7 ER OL NS EXTERNAL DISTRIBUTION CONTROL NUMBER PDR: e c agan IC 3228 SIC NRC FORM 195 IZ-76)

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Qy I INDIANA & MICHIGANPRIER CD'MPANY DONALD C. COOK NUCL LANT P.O. Box 468, Bridgman, c an 49106 lg March 29, 1976 I

) L f I Mr. J.G. Keppler, Regional 't tor Office of Inspection and Enfo nt-, ; <-f-,

United States Nuclear Regulatory o~'ion Region III 799 Roosevelt Road Glen Ellyn, IL 60137 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of Appendix A Technical Specifications and the United States Nuclear Regulatory Commission Regulatory Guide 1.16, Revision 3, Section 2.b, the following reports are submitted:

RO 50-315/76-10 RO 50-315/76-11 Sincerely,

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.W. J ge en Plant anager

/bab cc: R.S. Hunter R. Kilburn J.E. Dolan G.E. Lien R.J. Vollen BPI R.C. Callen MPSC K.R. Baker RO:III P.W. Steketee, Esq.

R. Walsh, Esq.

G. Charnoff, Esq.

G. Olson J.M. Hennigan PNSRC R.S. Keith Dir., IE (30 copies)

Dir., MIPC (3 copies)

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,Form No. 4494 CENSEE EVENT REPORT CONTROL BLOCK: (PLEASE PRIMT ALL REQUIRED IMFDAMATIDM) 1 6 LICENSEE LICENSE EVENT

'AME LICENSE NUMBER TYPE T YPF.

[Q89 M I 0 C C 1 0 0 0 0 00 0 0 0 41 1 1 1 ~03 7 14 15 25 28 30 31 32 REPORT REPORT 7

[00~]coN'T 8

~J CATEGORY 57 58 TYPE L

59 SOURCE 60 L

61 0 5 OOCKET NUMBER 0 0 3 1 5 68 69 0 3 FVENI OATF.

0 8 7 6 74 0

75 3,2 RI PORT OATE.

9' 6 80 EVENT DESCRIPTION Qo 2 Durin normal o eration two ice condenser intermediate deck doors could not be 7 8 9 80

[0D3] o ened because of an ice buildu around the doors caused by water leakage from air 7 89 80

[oa4j I handler 1-EA. The air handler was turned off and job orders initiated to correct.

7 8 9 80 Jog 7 8 9 80 Jog 7 8 9 PRME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT COOE SUPPLE'R MANUFACTURER VIOLATION ~

IonrI ~sA 6 x x x x x x ~N 44 W 1 2 0 N 7 8 9 10 11 12 17 43 47 48 CAUSE DESCRIPTION

[oD~] Ice was removed from the intermediate deck doors and air handler 1-6A. The leaka e 7 8 9 80 Qo 7

I8 9 was caused b an abnormal buildu of ice within the air handler reventin ro er 80

~1 0 drainage. This ice was removed and,'ll components of the unit operate properly.

7 89 METHOD OF 80 FACILITY STATUS TL POWER OTHER STATUS OISCOVERY OISCOVERY OESCRIPTION LJ~ ~OS 1 b Routine E ui ment Surveillance 7 8 9 10 12 13 44 45 46 80 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE

@~2 ~Z Z N A N/A 7 8 9 10 11 44 45 '80 PERSONNEL EXPOSURES NUMBER TYPE OESCRIPTION

~s ~00 0 2 N/A 7 89 11 .12 13 80 PERSONNEL INJURIES 7

f11'~89 11 12 80 OFFSITE CONSEQUENCES

@is] N A 7 8 9 80--

LOSS OR DAMAGE TO FACILITY TYPE OESCRIPTION

[<is] Z N A 7 89 10 80 PUBLICITY N/A 7 8 9 80 ADDITIONAL FACTORS 7 89 80 7 89 80 NAME, Dav i d G. Wi zner PHONE. 465-5901 cpo ssT- eev

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LICENSEE EVENT REPORT CONTROL BLOCK: (r a.LASE PRINT ALL REOuIREO IuFORIVIAVIONg 1 6 LICENAE LICENSE EVF NT NAME TYPF , TYPE

[oa~] M I 0 C C 1 0 I I I I ~0332

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7 89 .'I4 . 15 L a5 as 30 31 corn.

REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE tlEPORT DATE Ical L ~L 0 5 0 0 3 1 5 0 3 0 2 7 6 0 3 2 9 7 6 7 8 57 58, 59,60 61 68 69 74 75 . 00 EVENT DESCRIPTION WHILE IN MODE '1, 'AT 81 PERCENT POWER, IT WAS NOTICED THAT INDICATED WIND DIRECTION BY

[oaf 7 8 9 80

{Oog THE 150 FOOT WIND DIRECTION RECORDER DID NOT AGREE WITH ACTUAL WIND DIRECTION.

7 8 9 80 70o-

~o4 INVESTIGATION FOUND THE TRANSLATOR CALIBRATION -HAD SHIFTED 60o THE TRANSLATOR 7 8 9 80'0 Qg WAS RECALIBRATED AND THE SYSTEM WAS RETURNED TO OPERATION 7 8 9 R 315 76-11 7 89 PINM E F 80

'YSTEM CAUSE COMPONENT COMPONENT CODE'OMPONENT CODE:

~

CODE SUPPUER MANUFACTURER . VOLATION

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7

~IE 8 9 10

~F 1'I .-;12 I N S T R.U 17 43 44 X 9 9 47 48

'AUSE DESCRIPTION THE CAUSE OF THE TRANSLATOR CALIBRATION SHIFT IS UNKNOWN, BUT IS SUSPECTED TO BE.

. ~08 7 8 9 80 7

m89 LIGHTNING STRIKING THE LINE.

80 QO 7 89 80 FACILRY STATUS,  % POWER

' -,'A OTHER STATUS METHOD OF DISCOVERY OISCOVERY DESCRIPTION 7 8

~E 9

FORM OF ACTIVITY

~08 10 ',12 CO ATENT I

13 -44 45 46 ROUTINE SURVEILLANCE 80 RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE

.~Z11 Z NA NA 7, 8 9 " 10 44 45 80 PEF!SONNEL EXPOSURES ...':;;

7 89, '\1, 'l2 'l3 80 PERS'ONNEL INJURIES NUMBER 'ESCRIPTION ~

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7 8 9 ,

11 12 80

. PROBABEE CONSEQUENCES .

Qs] NONE GASEOUS RELEASES'ERE SUSPENDED AS REQUIRED.

7 8 9 '80 LOSS OR DAMAGE TO FACILITY

'tYPE OESCRIPTION Qc6] ~Z NA:

7 89 10 80 PUBLICITY 7 89 80 ADDITIONAL FACTORS Q~g NA 7 8 9 Q~g NA N~IE. G. SWAN PRD¹.(616) 465-5901 (368)

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