ML19254E520

LER 79-082/03L-0:on 791007,CAC Monitor 1263 Made Sudden Step Increase of 2%.Caused by Partially Clogged Sample Flow Regulator.Regulator Cleaned & Returned to Svc

ML19254E520
Person / Time
Site:	Brunswick
Issue date:	10/29/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19254E517	List: ML19254E516 ML19254E520
References
LER-79-082-03L, LER-79-82-3L, NUDOCS 7911010420
Download: ML19254E520 (1)

Text

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LICENSEE EVENT REPORT CONTROL BLOCK (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 1

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7 0 1 8 9 lN lCLICENSEE lB lECODE lP l1 l@l_0 14 15 l 0 l -l 0 l 0LICENSE l 0 lNUMBER 0 l 0 l - l O l 025l@l264 l 1LICENSE 1l1l1l@l TYPE JO l

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74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 0 2 lDuring normal operation. the operator noticed that the CAC monitor 1263 nade a sudden O 3 ! step increase of 27.. l

!O 4 l Technical Specification 3.6.6.4. 6.9.1.9b l l5Ts 1 I I O 6 l 0 7 I I O 8  !

7 8 9 80 E CODE SUBCO E COMPONENT CODE SUB ODE SU E 7

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, SEOUENTIAL OCCURRENCE REPORT PEvlSION LE R EVENT YE AR R EPORT NO. CODE TYPE NO.

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_ 21 22 23 24 26 27 3 M 30 31 32 AK N ACT O ON P NT MET HOURS S8 Ir FOR B. SUPPLI MANUF C RER

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36 l0 0l010l 3? 40 W@ lY @ lAlg lB 1l3 5lg 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i O lAn investigation found that the sample flow regulator was partially clogged. The 1 i i l regulator was cleaned and returned to service. As this is the first problem we have l 1 !27 lhad with the flow regulators being clogged, this is considered an isolated event. l i 3 l Engineering is studying other systems to replace our CAC monitoring system in the futute.

1 4 l l 7 8 9 80 STA  % POWER OTHER STATUS 015 O RY DISCOVERY DESCRIPTION 1 5 [,,I,jh l 0 7l6lhlNA l d hl Operator Surveillance l A TavlTY C TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 1 6 l,,,2,,l htoWh! NA lNA l 7 8 9 11 44 45 80 FERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 1 7 l0 0 l 0 lhl Z lhl NA l

' PERSONNEL INJU IEs NUMBER DESCRIPTION

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2 0 ISSUEl NA @ DESCRIPTION l lll1llilfIIll*:

7 8 9 10 68 69 80 5 A. C. Tollison, Jr. 919-457-9521 o NAME OF PREPARER PHONE: $