05000272/LER-1981-016-03, /03L-0:on 810207,rod Position Indicator for Rod 2D1 Indicated That Rod Had Dropped.Caused by Rod Position Indicator Cable Making Loose Contact at Reactor Head Connection Due to Spreading of Pins.Cable Replaced

/03L-0:on 810207,rod Position Indicator for Rod 2D1 Indicated That Rod Had Dropped.Caused by Rod Position Indicator Cable Making Loose Contact at Reactor Head Connection Due to Spreading of Pins.Cable Replaced

ML18085A983
Person / Time
Site:	Salem
Issue date:	02/26/1981
From:	Steele W Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085A982	List: 05000272/LER-1981-016, Forwards LER 81-016/03L-0 05000272/LER-1981-016-03, /03L-0:on 810207,rod Position Indicator for Rod 2D1 Indicated That Rod Had Dropped.Caused by Rod Position Indicator Cable Making Loose Contact at Reactor Head Connection Due to Spreading of Pins.Cable Replaced
References
LER-81-016-03L, LER-81-16-3L, NUDOCS 8103030767
Download: ML18085A983 (2)

LER-1981-016, /03L-0:on 810207,rod Position Indicator for Rod 2D1 Indicated That Rod Had Dropped.Caused by Rod Position Indicator Cable Making Loose Contact at Reactor Head Connection Due to Spreading of Pins.Cable Replaced

Event date:
Report date:
2721981016R03 - NRC Website

text

NRC FORM 366 fl-771. ~

• LICE.NSEE EVENT REPORT UiNUCLEAR REGULATORY COMMISSION CONTROL BLOCK: I 1

1*10 e

CPLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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LICENSEE CODE 14 Ui LICENSE NUMBER 2&

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[Q]1J J During normal operation on 2/7/81, the Rod Position Indicator for Rod 2Dl [QJ1J I indicated that the rod had dropped.

The RPI was declared inoperable and Action

~

I Statement 3.1.3.2.a was entered at 1930 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.34365e-4 months <br />.

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

44 47 DJ)) I The rod position indicator cable was making loose contact at the reactor head connection.

Inspection of the head connector revealed that the pins had spread a!ld were causing an intermittent electrical connection.

The entire cable was replaced [J))] I and a satisfactory surveillance test performed.

The Action Statement was DJI) I terminated at 2340 hours0.0271 days <br />0.65 hours <br />0.00387 weeks <br />8.9037e-4 months <br /> on 2/11/81.

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RELEASED OF RELEASE AMOUNT OF ACTIVITY

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8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY 143\\

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LER 81-16/03L 2 -

2/26/81

CORRECTIVE ACTION

The original cable was replaced in kind.

Upon calibration and a satisfactory surveillance test, the Action Statement was terminated at 2340 hours0.0271 days <br />0.65 hours <br />0.00387 weeks <br />8.9037e-4 months <br /> on February 11, 1981.

FAILURE DATA:

Westinghouse Cable #1CR123A-FQ W. J. Steele SORC Meeting No.

81-12 Managet - /Salem Genera ting Sta ti on