ML17317B166

LER 79-026/03L-0 on 790406:during Normal operation,69/4kV Offsite Ac Electrical Supply Became Inoperable.Caused by High Winds During Severe Windstorm.Damaged Jumper Replaced & Sys Returned to Operable Status

ML17317B166
Person / Time
Site:	Cook
Issue date:	05/02/1979
From:	Chadwell H INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B164	List: ML17317B163 ML17317B166 ML17317B167
References
LER-79-026-03L, LER-79-26-3L, NUDOCS 7905070604
Download: ML17317B166 (2)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION t7-'i7) tCENSEE EVENT REPORT CONTROL BLOCK: Q1 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6

~o M I D C C 1 14 QE 15 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 0 25 Qs 26 4 1 1 LICENSE TYPE 1 IQE~QE 30 57 CAT 58 7 8 LICENSEE CODE CON'T

~OT ~LQ6 0 5 0 0 0 3 1 5 Q7 0 4 0 6 7 9 QBO 5 0 2 7 QB 68 69 EVENT DATE 74 75 REPORT DATE 80 7 8 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES QIO DURING NORMAL OPERATION, CONTRARY TO T. S. 3.8.1.1.a., THE 69/4KV OFFSITE A.C.

~o 2 ELECTRICAL SUPPLY WAS MADE INOPERABLE WHEN A JUMPER CABLE BURNED OFF ON A TRANS-

~o R MISSION POLE CAUSING LOSS OF ONE PHASE.

~os

~os

~os 80 7 8 9 SYSTEM CAUSE CAUSE COMP VALVE

~~ ~ CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~oo Q)i QI2 13 18 Q14 ~z 19 Q15 LLI 20 Qls 7 8 9 10 11 12 SEQUENTIAL OCCURRENCE REPORT REVISION Q

LERIRP REPoRT ACTION FUTURE EVENT YEAR

~79 21 22 EFFECT

+

23 SHUTDOWN

~02 24 REPORT NO.

6 26

+A 27 28 ATTACHMENT CODE LILY 29 NPRDQ TYPE

~L 30 PRIME COMP.

Q 31 NO.

+0 32 COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER

~AQis ~ZQTR ~ZQER ~ZQ>> 0 0 0 0 +YQ22 ~NQ4 ~LQs X 9 9 9 Qs 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 OF 6 DISPATCHER THAT THE FAILURE HAD OCCURRED THE MERG G N RAT RS ND 2 OTHER A.C. OFFSITE P WER SUPPLY WE E DEMONSTRATED To BE P B . THE D MAGED 4 JUMPER WAS REPLA T PR TT T N 80 7 8 9 FACILITY STATUS SG POWER OTHERSTATUS ~

~3P METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 CK L<JO>>

7 8 9

~iO 10 O

12 Q>>

13 NA 44 LAJQ31 45 46 DI SPATCHER NOTIFICATION 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITYQ36 LOCATION OF RELEASE Q36

~Z Qss Z Q34 NA NA 7 8 9 10 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~OO 0 QET Z Q>> NA 80 7 8 9 11 12 13

~00 PERSONNEL INJURIES NUMBER 0 QEo DESCRIPTION Q41 C7 Cg5 57& L 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION Q43 s Z Q42 NA 8 9 10 80 7

P U 8 L I C I TY NRC USE ONLY ISSUED DESCRIPTION o ~TE,.'Q44 9 68 69 80 ~ o 8 10 H. M. CHADWELL PHONE: 616 465-5901 X-316 D.

NAME OF PREPARER

CONTINUATION OF LER 8 69-026/03L-0 PAGE TWO 2 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS'N TWO HOURS FIFTEEN MINUTES. NO FURTHER ACT'ION IS PLANNED.