ML19256E230

LER 79-073/03L-0:on 790930,while Performing Control Rod Operability Check,Control Rod 34-43 Had No Indication at Notch 47.Caused by Problem Located in Prototypic Inlet Piping.Engineering Work Request Written

ML19256E230
Person / Time
Site:	Brunswick
Issue date:	10/25/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19256E224	List: ML19256E223 ML19256E230
References
LER-79-073-03L-01, LER-79-73-3L-1, NUDOCS 7910300354
Download: ML19256E230 (1)

Text

LICENSEE EVENT REPORT CONTROL BLOCK:

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!@l15o l o l lolofolofol 1olO 25 l@l 41111 l 11 1l@l$7 CAT I 58 7 8 9 LICENSEE CODE 14 LICENSE NUM8ER 26 LICENSE TYPE JO CON'T l 0l 7 9 hl1 l0 REPORT l 2l5 l7 l980j@

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SOURCE (MI 60 Ol S I OlDOCKET 61

-l 0lNUMBER 3 l 2 l 5 68hl O 69 l 913 EVENT DATE 74 75 DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 lWhile performing PT 14.1 Control Rod Operability Checi, control rod 34-43 had no in- l 0 3 Idication at notch 47. l lo le i ITechnicel Specifications 3.1.3.7. 6.9.1.9.b l 0 5 l l 0 6 l l 0 7 l l 0 a l l 80 7 8 9 E CO E S BC E COMPONENT CODE SUB ode S E l,0_[9_l lI lD l @ d @ (_A_j @ l I l N SlTlRlUlh y @ Q @

9 10 12 13 18 19 20 7 8 11

_ SEQUENTIAL OCCURRENCE REPORT R EVISP/J LE R/RO EVENT YEAR R EPORT NO. CODE TYPE NO.

@ Nu'u%_ 21 7 C 22 l-I 23 I017131 24 21 l'

27 1013 I 28 29 30 Ll l--J 31 W

32 K N ACTIO ON PLANT ME HOURS 22 S8 i FOR 8. SUPPL E MANUF C RER X

l@l34X @ l35Z l@ l36Z l@ l0l0 0l 0l 37 l41 Nl@ lYlg lNlg lGl0l8l0lg 33 40 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 1 O l Investigation revealed that the problem is located in the PIP probe incide the drywell.l m lThis problem will b,e corrected during the next outage of sufficient length. An Engineeq-1 2 ing Work Request has been written to determine if the indicating problem is generic l g land possible methods to reduce failures. l ITT"1 7 8 9 80 SA S  % POWER OTHER STATUS dis O RY DISCOVERY DESCRIPTION fiTil W @ l 01 91 21@l NA l W@l Periodic Test l A T1VITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVlf / LOCATION OF RELEASE d W @ l_Zj@

7 8 9 10 11 NA 44 l l NA 45 80 l

PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 1 7 l0 l@[_Z_j@l NA l PERSONN EL INJURIES NUMBER DESCRIPTION fi l"il l 0 0 l 0 l@l NA j , t, g0 l

7 8 9 11 12 f 'l l [, l., f J /

LOSS OF OR DAMAGE TO FACILITY Q TYPE DESCRIPTION  %./

1 9 l I Z l@l NA 80 7 8 9 to 7 J03003{y NRc use ONa ,

ISSU]E @l DESCRIPTION O 2 o [3 ya l llllllll 1l; 7 8 9 to 68 69 80 .

A. C. To111 son, Jr.

NAME OF PREPARER PHONE: $