ML19317G019

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RO-76-13:on 760822,refueling Interval Surveillance Check of Decay Heat Sys Leakage Attempted.Excessive Leakage from B Pump Stopped Test.Caused by Stuffing Box Gasket Leak.Leak Repaired.Reactor Taken Critical Before Leak Test Rerun
ML19317G019
Person / Time
Site: Rancho Seco
Issue date: 10/14/1976
From: Colombo K, Eisenhuth F
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F934 List:
References
NUDOCS 8002210721
Download: ML19317G019 (1)


Text

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00CKET NUMBEA EVENT OATE REPOAT CATE

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EVENT DESCRIPTION Q l On 8/22/76 a refueling interval surveillance check of DHS leakane was attemoted.

l d y 89 80 l Excessive leakage from the "B" pump stopped the test. Aquarterlyinservicetestwasj 03 7 89 Q l run on pump prior to returning it to service, checking specifically for leakage. Thel r10 7

89 Q l "A" Loop vas avaliable throughout the repair (R0 76-13).

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7 89 pnus 60 "Eo'e" Cc$[

C COMPONENT CODE ACW

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7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION g l The leak at the outboard stuffing box gasket was repaired. The reactor was taken l

J 7 e9 l critical on 8/29/76 af ter the inservice test, but before the refueling interval I

80 Os 89 l leakace check was rerun.

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% POWER '

oTHER STATUS D CQvEAY DISCOVERY CESCRIPTON Q

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7 8 9

10 12 13 44 45 46 80 ACTMTV CONTENT AELEA5EO OF RELEASE l NA l

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AMOUNT OF ACTMTV y

LOCATCM OF RELEASE Q

7 8 9

10 11 44 45 PERSONNEL EXPOSURES 80 NUMCER TiPE CESCRIPTON 13 l0 lo l 0 l l

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7 89 41 12 13 60 PERSONNEL INJUAIES NUMBER CESCRipTON N l0l0l0l l

NA l

7 89 11 12 60 OFFSITE CONSEQUENCES 15 l Minimal to None l

C 7 8G LOSS OR DAMAGE TO FACILITY 80 TYPE DESCAfPTON hdl NA 7 89 10 80 PUGUCITY 17 l No notification 1,

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ADC:TIONAL FACTORS j l Leakas;e check run 9/1/76 verif12d leakace van acceptabic 8 gQ l

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