ML18085A983

LER 81-016/03L-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

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: ML18085A981 ML18085A983
References
LER-81-016-03L, LER-81-16-3L, NUDOCS 8103030767
Download: ML18085A983 (2)

Text

NRC FORM 366 UiNUCLEAR REGULATORY COMMISSION fl-771 . ~ *

• LICE.NSEE EVENT REPORT CONTROL BLOCK: I 1*10 CPLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 e

[ITTI IN I J Is I GI sf l l@I oI oI -I oI oI oI oI oI - I oI o1014 I l I 1 I l I 1101 I 10 7 8 9 LICENSEE CODE 14 Ui LICENSE NUMBER 2& 26 LICENSE TYPE JO !i7 CAT &8 CON'T

[IT!]  :~~~~ u..©I ot sl oJo 1 ol 2l 1l 2101o j2lo1710 !1 (VI 012 I 216 I sl1 IG) 7 B 60 11 DOCKET l\IUMBER 68 69 EVENT DATE 74 7!i REPORT DATE BO EVENT DESCRIPTION AND PROBABLE CONSEQUENCES @ .

[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 />. Similar occurrences: 77-87, 79-5,

[Q]!J 1~_s_o_-_2_4__ an_d__a_1_-_1_s_.__________________________________________________~--~----'

[£JD

[fill rrm 7 8 9 BO SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUB CODE SUBCODE IIm8 7

IR IBI@

9 10 ,,W w@ IE IL IE Jc Jo 12 13 IN I@ ~

1B 19 w@

20 SEQUENTIAL OCCURRENCE REPORT REVISIOfl:

@ LE R *RO CVENT YEAR REPORT NO. CODE TYPE NC.

REPORT NUMBER I I I 8 1 l=1 I ol ii ~1 f /I I 0I 3 I L!J l=J L£J 21 22 23 24 26 27 2B 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ~ ATTACHMENT NPR0-4 PRIME C:OMP. CON'PONENT TAKEN ACTION ON PLANT METHOD HOURS ~ SUBMITTED FORM !>UB. SUPPLIER . MANUFACTURER L£J@W@) W@

33 34 35 L!J 36 10 10 10 10 37 I LU@

40 41 L!.J 42 L!:J@

43 1w 11 12 44 10 47 I@

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

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.

7 8 9 80 FACILITY lji)\ METHOD OF A STATUS .. POWER OTHERSTATUS ~ DISCOVERY DISCOVERY DESCRIPTION ~

[BI] I.LI@ I o I s J o J@_I_ ____.N/_A_ _ _ J ~~~l___o~p=--e_r_a_t_o_r__O_b_s_e_r_v_a_t_i_*o_n__~----~--~-----

7 8 g 10 12 11 . 45 46 80 ACTIVITY CONTENT I::\.

RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE@

~ L!J@ L!J@)I N/A N/A 7 8 I 10 11 44 45 BO PERSONNEL EXPOSURES Q t.:"::\ TYPE t.::\ DESCRIPTION EID NUM81iR I o I o I oJL!J~._I___N=/-=-=A.___ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _J 7 8 B 11 12 1:1 80 PERSONNEL INJURIES  !':':\

NUMBER DESCRIPTION~

ETIJ I ol ol 7 8 9 ol@)~l-~~~--::.iN/=A:..-_~-------------------'J80 11 12 LOSS OF OR DAMAGE TO FACILITY 143\

TYPE DESCRIPTION ~

Eli]

7 s 1l!.J@) NA 1~0~------------------.;.;.1..-=-----------~~--~--~~~~~--~~~~~~~~----~~~

j 90

~ ISSU=~~~~CRIPTION@) 81 0 8 0 3 0 76"7 NRC USE ONLY C>

l.!....U!.J L!.J~l ** N/A J 11111111111 I I. !

7 8 I 10 6B 69 80 ..

0 NAMEOFPREPARER-----*-*__J_.__s_t_e_e_l_e__________________ PHONE . ___6_0_9_-_9_3_5_-_0_9...:9_B_ _ __ 0.

LER 81-16/03L

• 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 Managet - /Salem Genera ting Sta ti on SORC Meeting No. 81-12