ML19210C138

LER 79-058/03L-1:on 791004,corrective Maint Performed on Operator for Heat Exchanger Saltwater Outlet Valve.Valve Would Not Open Until 20% Electrical Signal Sent.Caused by Faulty Current to Pneumatic Converter

ML19210C138
Person / Time
Site:	Calvert Cliffs
Issue date:	11/08/1979
From:	Heibel R BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19210C137	List: ML19210C136 ML19210C138
References
LER-79-058-03L, LER-79-58-3L, NUDOCS 7911130320
Download: ML19210C138 (1)

Text

7 77) ~

LICENSEE EVENT REPORT

~ u CONTROL 9 LOCK: l l l l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATloNI 1 6 o i "IDIClClNl 1l@l010l-1010 0 010l- 010 l@l a l1 l1 11 1l@l$7 CAT I

$8 l@

8 9 LICENSEE CCOE 14 *$ LICENSE Ni MSER 26 26 LICENSE TYPE 40 CCN'T 0 ' S

'[3"C[ l L }@l 0 l 5 l 0 l 010 l 3 l 1 I697 @lEt ENT 1 OATE InInIal7lcl@l111InIAI7 74 7b AE* ORT O ATE o_j30 @

3 60 61 OOCKET NLUSE A 68 EVE!IT DESCRIPTION AND PRCS ABLE CONSECUENCESh oi0i l At 1100 on October 4, 1979, #11 Comoonent Coolina Heat Exchancer was I g ,  ; reroved from service to cerform corrective maintenanc? on the ooerator l 0i4  ; #or the Heat Exchancer Saltwater outlet valve (1-CV-5206). The orablen I o,s , with the coerator was corrected and the Heat Exchanger was returned l 0,,  ; to oceration at 1455, October 4,1979. (T.S. 3.7.3.1). This is not a 1 0,7  ; recetitive occurrence. l 018 l 7 8 3 COVP SYSTEM CAUSE CAUSE VALVE COOE COOE SLBCOOE COYFONENT COOE SL9COOE SuaCOOE O19 8

l U l 3 l@ lX l@ lX l@ l II NI $l I 2l Ul@ l C f@ l2 l@

9 10 11  ?; 13 '1 19 20 SEOL ENTI AL OCCoA8ENCE GEFCRT ret iSICN ga ar EVENT YE A A DEPCATNO. COCE TYPE N O.

O .='y.gf l7 lo I l-l 10 15 18 I I/l InI3I LLJ I-1 L1J 21 :2 23 24 ~6 27 28 23 30 31 32 TA. A ON PL T .T HOgRS 22 S S I FOR b B. S' PPLIE YA FACTLREA ON l00E Igl34 Zlg l05Zl@ lZ@ l0101010l 36 31 40 l NI@

41 lYl@

4; l43 Al@ lFl1l310l@

44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS h 0 l Valve 1-CV-5206 would not ocen until a 20" onen elactric=1 einnal was I

,, , cenerated from its controller. This was due to its faulty current to I

,  ;

oneu atic converter. The converter was recalibrated and valve oosition J i 3 l switches were adjusted. The valve had been onerational 'cr- a cafaty

, 4 loverride standcoint. No oreventive action is deered necessarv. I 80 7 a 9 N POWER OTHER STATUS O5 0 Av 015COVERv CESCRIPTION 5t 5 i

i s I E l@ l 018l Sl@l N/A I lAl@lnnaratnr nbearvatinn ACTIVITY CONTENT mELEASED OF RELE ASE AMOUNT OF ACTivlTY LOCATION OF AELEASE 7

1 6 8 9 l2 h 10 2l@l 11 N/A 44 l l N/S 45 80 I

PERSCNNEL EXPOSURES NUMBER TYPE OESCRIPTION l

i 7 1010 l 0 l@l Z l@l N/A *

' PEnSONNEt mu' DES 1 7 ') T 9 Nuv8Ea OESCaiPTiON@ lJc> 1bL I

l 7

t a 8 9 0 l 010 l@l12N/A 11 SO LCSS OF OR CAVAGE TO FACILITY Q Tv8E DESCAtPTION  %./

l 1 9 6 9 l Z l@l10 N/A 80

• L B L ICITY NRC USE CNLY

• DESCRIPTION N 2 o iSSUEO W81 yf3 7911130 i 68 69 i i iiiiiiii ii 80 3 7 8 9 10

• O bO !P* H220 PHONE: (301)234 7oa 3r7 ooc NAME OF PREDARER