ML19271A976

LER 80-035/03L-0:on 800707,during Fire Protection Surveillance,Actuation of Retention Bldg Fire Detectors Did Not Alarm Locally or in Control Room.Caused by Component Failure in Local Control Panel.Faulty Capacitor Replaced

ML19271A976
Person / Time
Site:	Pilgrim
Issue date:	08/06/1980
From:	Mcloughlin M BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19271A973	List: ML19271A972 ML19271A976
References
LER-80-035-03L, LER-80-35-3L, NUDOCS 8008110420
Download: ML19271A976 (1)

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LICENSEE EVENT REPORT (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 l On Julv 7, 1980 at approximate 1v 1045 hours0.0121 days <br />0.29 hours <br />0.00173 weeks <br />3.976225e-4 months <br /> durinn the nerfo m nce of fire nrotection i o a l surveillance test number 8.B.4, actuation of the retention buildine fire detectors did I o 4 not generate alarm annunciation locally or in the control room. A fire watch was I o 5 immediately requested and a maintenance request issued. On July 25, 1980 followine i maintenance the detectors were partially tested by I&C o s I maintenance personnel, however the official test postponed until operations personnel I o 7 I were available. The system has not been returned to service as of this date. I o la l I 7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALV E CODE CODE SUSCODE COMPONENT CODE SUSCODE SUBCODE 7

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_ 21 22 23 24 26 27 28 23 30 31 32 ACTION FUTURE EFFECT SHUTOOWN ATTACHMENT NPR O-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS 22 SUBMITTED FORM bu8. SUPPLIER MANUFACTURER Whdh 33 34 l5Zlh 3

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47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 1 o l Investigation revealed a comonent f,il"*n in ehn in-,1 o nn e-1 ,,nn1 0,nena I 1 1 l the nroblen. A faultv capacitor v,9 *nn1, cod ,nd ekn on4*e anel, w I 1 2 l functional by the I&C nersonnel. I i 3 I I i 4 l l 7 8 9 80 STA  % POWER OTHER STATUS IS O RY OlSCOVERY DESCRtPTION 1 5 l El@ l 1 l 0 l 0 lhl NA l lBlhl Routine testine l A T1VITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 6 NA l NA l 7

1 8 9 l Zl @ l 10Z l@l 11 44 45 80 PERSONNEL EXPOSURES NUM8ER DESCRIPTION '

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