ML19256G162

LER 79-093/03L-0:on 791127,while Performing High Steamline Radiation Channel Alignment & Functional Test,Main Steamline Drawer B Was Out of Specs.Caused by Instrument Drift.Drawer Recalibr

ML19256G162
Person / Time
Site:	Brunswick
Issue date:	12/19/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19256G155	List: ML19256G154 ML19256G162
References
LER-79-093-03L, LER-79-93-3L, NUDOCS 7912270541
Download: ML19256G162 (2)

Text

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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DATE 7 8 60 61 DOCKET NUV8ER EVENT DESCRIPTION AND PRO 8 ABLE CONSEQUENCES h o 2 l k'hile performing PT 1.1.13P, High Steamline Radiation Channel Alien-ent 'ad I o a i Functional Test, main steamline drawer "B" was out of specifications. The drawer I o 4 l was tripping at 1.76 x 10-10 amps; the limit is < 8.78 x 10-ll asos. ,,,a thn anewna I o 5 I setpoint was 7.03 x 10-11 ep s . I o e l ,

o 7 l ois l Technical Soecifications 2.2.1. 6.9.1.on 80 7 8 9 COUP VALVE SYSTEM CAUSE CALSE COCE CCCE SLBCCOE COYPCNENT CCDE SLeCOOE SUSCODE o o i I l A l @ l Elh l G l h l I:3l N l 9 fr 12

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@ ,]Em anl,ga[ l 7! 9j l-l I 0l 9! 3l l/l l0l3l l Ll < l-l l0l 32 21 22 23 04 .o 2 23 29 30 31 ATT ACHY E NT spnD4 8 AIVE COYn CCYPONENT ACTION FUTLcE EFFECT 5*UTOC NN VANLFACTUREA ON9LANT YETMCD WOLAS SL8vlTTED FOR*isLS, SLPPLIER T A K E *. ACTICN (z_J@lx.J@

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42 43 44 47 CAUSE DEStRIPTICN AND CCARECTIVE ACTIONS l

i o l The oroblem was attributed to instrument drift and the drnver was rec'14k-'toA '->

i i i returned to service satisfactorily per PT 1.1.12PC. Tk4c DT c,= -n-4cn> -- 4 -1

• I 2 1 checking plate voltace on the voltace reenlator per veader rece--e-d'tfa . '"b e I i

i 3 l vendor has been recuested to suorlv site tecknic'1 <"ren" *, e7,1",*n m - ~ nd -nd i 4 I and ecuirr.ent. A soare d*'ve* knc keaa at rchaend A 4 ak v411 111m fm- *ko -n-n"*G mlnt'c 80 7 8 9

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7 8 9 ACTIVITY CCNTENT DELEASEC CF RE LE ASE AYCUNT CF ACTIVITY LOCATION OF RELE ASE i e L:.J @ Ld@l e Im 90 I

7 8 9 10 11 44 45 PERSONNEL EXPCSURES NUM8ER TYPE C ESCRIPTICN 7

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PERSCNNE L INJURIES -

NLYBER DESCRIPTION 7

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7 8 9 10 ISSUE L2 LoJ [1f6lto DESCRIPTION NA l l1lllllll1IkI 68 69 30. .

F 8 9 A. C. Tollison, Jr. pyoyg 919-457-9521  ?

NAME OF PREP ARER r

LER CONTINUATION - RO # 1-79-93 FACILITY: BSEP Unit No. 1 EVENT DATE 11-27-79 of a problem drawer for extended troubleshooting.

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