ML17317A943

LER 79-004/01T-0 on 780802:turbine Low Fluid Oil Pressure Switches Set at non-conservative Value.Initially Calibr at Vendor'S Recommended Setpoints;Were Not Recalibr Per Tech Specs

ML17317A943
Person / Time
Site:	Cook
Issue date:	02/13/1979
From:	Beilman T INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317A942	List: ML17317A941 ML17317A943 ML17317A944 ML17317A945
References
LER-79-004-01T, LER-79-4-1T, NUDOCS 7902220108
Download: ML17317A943 (4)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION I7.77)

LICENSEE EVENT REPORT CONTROL BLOCK: Q1 {PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6

~01 7 8 9 M I D LICENSEE CODE C C ZO5 14 15 0 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 OQ5 25 26 4 I I LICENSE TYPE

(

IO4~O5 30 57 CAT 58 CON'T

~O REPDRT

~LQ6 0 5 0 0 0 3 I 6Q7 0 8 0 2 7 QS 0 2 QB 68 69 EVENT DATE 74 I5 REPORT DATE 80 7 8 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 ON l-30-79, WHILE REVIEWING PAST CALIBRATION DATA IT WAS DISCOVERED THAT THE TURBINE

~Os LOW FLUID OIL PRESSURE MITCHES HAD BEEN SET AT A NON-CONSERVATIVE VALUE WITH RESPECT TO T.S. TABLE 2.2-I ITEM l7A FROM 3-20-78 (INITIAL TURBINE OPERATION)

~OS THROUGH 8-2-78. ON 8-2-78 THE SWITCHES WERE READJUSTED TO WITHIN THE T,S. LIMIT.

~06

~OS 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~OB ~RA O(4 ~Ap>> ~BQ>> I N S T R U Q)4 ~SQ15 19

~Z 20 Q(5 7 8 9 10 11 12 13 18 SEQUENTIAL OCCLIRRENCE REPORT REVISION On LERIRP 55455>

ACTION FUTURE EVENT YEAR

~79 21 22 EFFECT

~23 SHUTDOWN 24 REPORT NO.

L(LL((LLLI 26

~~

27

~01 28 ATTACHMENT CODE 29 NPRDX TYPE

~T 30 PRIME COMP.

~

31 NO.

0 32 COMPONENT TAKEN ACTION ON PLANT METHOD HOURS 22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER

~ZQ5( 0 0 0 0 ~Y Q>> ~NQ54 ~A M 2 S 5

~EQl5 ~XQ(5 ~2Q55 Q55 Q>>

33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 THE PRESSURE SW I TCHES WERE I N I T I ALLY CAL I BRATED UT I L'I'Z I NG THE VENDORS RECOMMENDED SET POINTS AND WERE NOT RECALIBRATED AS REQUIRED UPON RECEPT OF THE UNIT TWO T.S.TO PREVENT RECURRENCEA THE PRESSURE SWITCHES HAVE BEEN ADDED TO A ROUTINE CALIBRATION SCHEDULE TO REQUIRE PERIODICAL SETPOINT VERIFICATION AND INSURE T.S.

~I COMPLIANCE. SEE SUPPLEMENT.

4 80 METHOD OF DISCOVERY DISCOVERY DESCRIPTION ca@8 7

uO 9 10 12 13 44

~CQ31 45 46 QUALITY CONTROL COORD I NATOR RE V I EW 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY Q NA LOCATION OF RELEASE Q 7 8 LJ 0>>

9 LZJO54 10 11 NA 44 45 80 PERSONNEL EXPOSURES 7

7 8

8 9

9 11 PERSONNEL INJURIES 11 12 12 LOSS OF OR DAMAGE,TO FACILITY 13 Q43 j 0 oz~ma I eg'0 80 8 9 10 80 O

PUBLICITY ISSUED DESCRIPTION ~ NA NRC USE ONLY 44 10 68 69 80 7 8 9 0

NAME OF PREPARER PHONE. 6I6-465 590

~

~

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SUPPLEMENT TO LER 8 79-004/01T-0 SUPPLEMENT TO CAUSE DESCRIPTION CURRENT AND PAST CALIBRATION DATA FOR D. C. COOK UNIT ONE INDICATES THAT THE SET POINTS ARE CONSISTENT WITH THE T.S. REQUIREMENTS. THE PRESSURE SWITCHES FOR UNIT ONE HAVE ALSO BEEN ADDED TO A ROUTINE CALIBRATION SCHEDULE AS 'A PRECAUTIONARY MEASURE.

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