ML19257A711

LER 79-062/03L-0:on 791201,during Routine Surveillance Testing,Three Moisture Monitor Flow Transmitters Found Out of Tolerance.Caused by Instrument Calibr Drift.Transmitters Recalibr & Retested Successfully

ML19257A711
Person / Time
Site:	Fort Saint Vrain
Issue date:	12/28/1979
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19257A710	List: ML19257A709 ML19257A711
References
LER-79-062-03L, LER-79-62-3L, NUDOCS 8001070419
Download: ML19257A711 (1)

Text

NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION (7 77) .

LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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6 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 7 o i 8 9 l C lLICENSEE 0 l FCOCE l S l Vl 1 l@l O l 0 LICENSE 14 15 l - l 0NUM86R l 0 l 0 0l0l-l0 0l@l4LICENSE 25 26 1l1l2l0 TYPE JG

@l57 CAT l Sd l@

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7 8 SobRC 60 l L l@l 0 l 5 61 l 0 l 0 l 0 l 2 l 686 l 697 @lEVENT DOCKET NUMB ER 1 l 210 OATE l 1 l 7 l 75o @lREPORT 74 1 2l2l817l9l@

DATE 80 EVENT DESCRIPTION AND PROBABLE CONSECUENCES h o 2 l On December 1,1979, with reactor shutdown for scheduled maintenance, three moisture 1 o 3 l monitor flow transmitters were found out of tolerance during routine surveillance  !

o A l testing. Sacole flow requirements of LCO 4.4.1 note (t) could not be verified. I a s l Reportable per AC 7.5.2(b)1 and 7.5.2(b)2. No affect on public health or safetv. l 0 6 l l 0l7 l l ois  ! I SO 7 3 9 SYSTEM CAUSE CAUSE COMP. VA LV E CCCE CCCE SUSCODE CCMPCNENT CODE SUSCCCE SUSCCDE 7

O 9 8 9 l II Alh l Xlh l Z lh l Il Nl Sl Tl Rl Ulh 10 11 12 13 18 19 Elh lZlh 20

,,,, SEQUENTI A L OCCURRENCE REPORT REVISION Lg A no EVENT YEAR R EPORT No. CCOE TYPE No.

h 4E RT l7 l9 l -l l0 l6 2 l/l l 01 3l lLl l-l l0 l 21 22 23 24 26 27 28 29 3J 31 02 TAK N AC CN ONP NT T MCURS SS I FC B. SL PLIE MANLFAC RER lEl@lZl@ lZl@ lZl@ l 0l 0l Ol 0 ly@

41 Nl@ lN @ l64H l 0 l 9 l 947 l@

03 34 35 36 31 40 42 43 CAUSE DESCRIPTION AND CCARECTIVE ACTIONS h i o l Cause of flow transmitters being out of tolerance was instrument calibration drift. l t i The transmitters were recalibratei and the surveillance tes t successfully concleted. !

, , j No further corrective action is antidpated or required. l 1 3 l  !

i A l l 7 3 3 80

$A  % POWER OTHER STATUS IS O RY DISCOVERY DESCRIPT:ON i s Gl@ 0 l 0 l 0 l@l N/A l l B l@l Surveillance Testing l ACTIVITY CC TENT RELE ASED OF RELEASE AMCUNT CF ACTIVITY LOCATION OF RELEASE L1 6 l Zl @ lZl h N/A l l N/A l 7 a 3 10 11 44 45 30 PERSONNEL EXPCSURES NUv8ER TYPE C ESCRIPTION i

7ll0l0l0l@lZl@l N/A l PERSCNNE L INJURIES C NUYSER OESCRIPTION /

i 3 0 l u l 0 j@l N/A l 7 d 9 11 12 30 LOSS OF CR OAVAGE 10 FACILITY 7

1 9 3 3 TYPE l Zlhl N/A D ESCRIPTION 10 R001070 %b l 30 e

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ISSUEf8lOE N N/A CRIPTION i i iiiiiiiiiiili 7 3 3 to / 63 69 30 ;

...._______.___ / ,, . m . (303) 785-2253  ;