05000311/LER-1982-072, Supplemental LER 82-072/03X-1:on 820820,during Surveillance Testing,Discovered That Reactor Trip Breaker B Would Not Trip.Caused by Binding of Undervoltage Coil Solenoid.Coil Replaced & Breaker Reinstalled

Supplemental LER 82-072/03X-1:on 820820,during Surveillance Testing,Discovered That Reactor Trip Breaker B Would Not Trip.Caused by Binding of Undervoltage Coil Solenoid.Coil Replaced & Breaker Reinstalled

ML20066B009
Person / Time
Site:	Salem
Issue date:	10/20/1982
From:	Heller R Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20066B000	List: 05000311/LER-1982-072, Supplemental LER 82-072/03X-1:on 820820,during Surveillance Testing,Discovered That Reactor Trip Breaker B Would Not Trip.Caused by Binding of Undervoltage Coil Solenoid.Coil Replaced & Breaker Reinstalled
References
LER-82-072-03X, LER-82-72-3X, NUDOCS 8211060333
Download: ML20066B009 (1)

LER-2082-072, Supplemental LER 82-072/03X-1:on 820820,during Surveillance Testing,Discovered That Reactor Trip Breaker B Would Not Trip.Caused by Binding of Undervoltage Coil Solenoid.Coil Replaced & Breaker Reinstalled

Event date:
Report date:
3112082072R00 - NRC Website

text

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n Tri LICENSEE EVENT REPORT s . . ..

CONTROL sLOCie I I l l Ptf AsE PRINT cc TYPE Att cEauiREO iNrccuAriON l jh E lw sO IJ ls lc ls 12 Ig ol ol -l of ol ol ol ol -l ol o_lg 4 l 1l 14 16 LICENSE NUMBER 26 36 1l 11 ilhi67 CAT LICENSE TYPE JO l

se lg LICENSEE CODE CON'T M

' s EuE so dl ol Sl ol olDOCKET at 01 3l Il ihl 0 #l 8 s9l 2 l EVENT NUMBER 0l8 l 2 @l1 l 0 l REPORT DATE 74 75 2 l 0OATEl 8 l2sol@

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o l At 2000 hours0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br />, August 20, 1982, during surveillance testing, it was discovered that ,

l

, g Reactor Trip Breaker "B" would not trip as required. The channel was declared l 0 4 l in perable and 5ction Statement 3.3.1 Action 1 was entered at 2000 hours0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br />, j

, 3 g August 20, 1982. At 2040 hours0.0236 days <br />0.567 hours <br />0.00337 weeks <br />7.7622e-4 months <br />, a power reduction was commenced in compliance with l 0 6 l a d on StaMment. l 0 7 l l 1018] l I SOI[E ##$E C0 ssCiOE COMPONENT CODE SUB OE $ E Q

7 8 l Il Alh Wh Wh l Cl Kl Tl Bl Rl Klh Wh W h 9 to 11 12 13 18 19 20 SE QUENTI AL OCCURRENCE REPORT REVISION

_ EVENT YE AR REPORT NO. CODE TYPE N O.

h y"LERj@g; a ROl 8 l 2l 21 22 b

23 l0 l7 l2 l 24 26 27 l 013 l 2s 29 W

30 b

31 W

32 K N AC O PL NT ME HOURS SO i P S. SUPPL 1 MAN FAC URER W@Wh Wh bh 33 34 35 36 3l70 l0 l0 l040l W@ W@

41 42 d@

43 lW 44 l1 l2 l047l@

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i O l The cause was binding of the undervoltage (UV) coil. The Reactor Trio Breaker wan l i i l replaced with an "A" Train Bypass Breaker and the surveillance was satinfar envily l

, 7 l performed. Action Statement 3.3.1 Action 1 was terminated at 2206 hours0.0255 days <br />0.613 hours <br />0.00365 weeks <br />8.39383e-4 months <br />, l l 1 3 l August 20, 1982. The UV coil was replaced and Reactor Trip Breaker "B" was l

, , greinstalled and satisfactorily tested. l

[7 s e so SA  % POWER OTHERSTATUS isc Y DISCOVERY DESCRIPTION

![T}T] y@ l0 l 8 l2 l@l NA l d h l Routine Surveillance l ACTIVITY CO TENT CELE ASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE i

7 1 6 s 9 h to hl 13 NA 44 l l 46 NA so I

PERSONNEL EXPOSURES NUMSER TYPE DESCRIPTION ii 7 1 d of ol@L_zj@l wA I i'

PERsONNE L INJ IES NUueER DEsCRiPTiONh

,7 IT1711 ee d of d@l12 is wA so I

LOSS OF OR OAMAGE TO FACILITY TYPE DE SCRIPTION (b dh! NA l

(' '5 PUBUETY ESCR'"'ON g 8211060333821h1 NRC USE ONLY DR ADOCK 0500 7 a e to ss so. so s I R. Heller 609/935-6000 Ext 3078 2

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