ML19305E320

Updated LER 80-010/03L-1: Cause Code & Component Manufacturer Corrected

ML19305E320
Person / Time
Site:	Prairie Island
Issue date:	04/17/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19305E319	List: ML19305E318 ML19305E320
References
LER-80-010-03L, LER-80-10-3L, NUDOCS 8004230359
Download: ML19305E320 (1)

Text

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LICENSFE EVENT REPORT OU PORT DATE 04108@

CONTROL BLOCK: l l l l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6 l 1b8l@

0 1 l 7 8 l9 M !LICENSEE NlP CODEl I l N l 1 l@150 lLICENSE 14 0 l -NUMBER l 0 l 0 l 0 l 025l 0l -l 0LICENbE 26 l 0 TYPE l@lJD4 l b?1CAT l1 l 1 l@l CON'T O 1 3 ny l L @l 0 l 5 l 0 l 0 -l 0 l 2 l 8 l 2 @l 0 l 3 11 l1 l 8 1074 l@l0 l 4 l1 l 7 l 8 l080l@

7 8 60 61 DOCKET NUMB ER 68 69 EVENT DATE 7b REPCRT DAT E EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10121l During surveillance test. No. 11 containment vacuum breaker isolation valve opened 1 0 3 l at 0.57 psi, outside the limit Of 0.5 psi set in Tech Spec 4.4.C. Not repetitive. l 0 4 l NO effect on public health and safety. Redundant device was operable, l 10151 1 I O 6 l l 101711 I 10181l l E CODr Sh8C E COMPONENT CODE SUSC DE SU E Q

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9 to 1- 12 13 18 19 20

,,,, SEQUENTIAL OCCURRENCE REPORT REV8SION LE R/RO EVENTYEAR R EPORT NO. CODE TYPE NO.

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(_1_j 32 K N A O ON L NT ME HOURS S8 IT FOR b 8. SUPPLI MANUFACTURER W@W@ W@

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i O L Apparent drift in a Barton Model 288A differential pressure switch. Setpoint was I i i I adjusted and valve retested satisfactorily. I 1

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WI 7 8 9 80 ST S  % POWE R OTHER ST ATUS DIS .O RY DISCOVERY DESCRIPTION W W@ l 1l 0l Olhl NA l l B l@l Surveillance Test l ACTIVITY CO TENT AMOUNT OF ACT6VITY LOCATION OF RELE ASE 1 6 RELEASE @D OF RELEASE @l NA l l NA l 7 8 9 to 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 1 7 l 0 l 0 l 0 l@l Z l@l NA l I # * * '

PERSONNEt.'iN;uYiES NUMBER DESCRIPTION 1 H NA 4 . mpg 4 l l 0 l 0 l 0 l@l ,

7 8 9 11 12 g$dO#" 3 80 i

LOSS OF OR DAMAGE TO FACILITY n.3 TYPE DESCRIPTION v 80 l g y@l NA 80 l

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2 O I[SSUE @l DESCRIPTION NA l l l l l l l l l l l l l l *g P 8 9 10 68 69 80 &

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NAME OF PREPARER PHONE:

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