ML20042A510

LER 82-003/03L-0:on 820209,during Annual Visual Insp,One Steam Exclusion Control Damper Found Inoperable.Caused by Failure of Drive Gear in Pacific Air Products Damper Model R-35-FS.Gear Replaced

ML20042A510
Person / Time
Site:	Prairie Island
Issue date:	03/12/1982
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20042A504	List: ML20042A503 ML20042A510
References
LER-82-003-03L-01, LER-82-3-3L-1, NUDOCS 8203230508
Download: ML20042A510 (1)

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

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7 8 0 LICENSEE CODE 14 15 LICENSE NUMSER LICENSE TYPE JO COM'T 7

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ZRc! 60Ql0 l 5 l0 l0DOCKET 61 l0121812 NUMBER l@l012 68 69 loEVENT l9 IDATER 12 l@l0131174 75 REPORTl 21812 DATE 80l@

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h l 0 l 2 l l During the annual visual inspection, one steam exclusion control damper was found l 10 l 3 l l inoperable. Not repetitive. No effect on public health and safety since redundant l 0 4 l equipment was operable. Tech Spec 3.4.A.3 applies. I 10151 l l O 6 l l 10171 l l 10181l l

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_ SEQUE NTl AL OCCURRENCE REPORT REVISION LE R7PO EVENT YEAR REPORT NO. CODE TYPE N O.

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_ 21 22 1-1 23 1010131 24 26 lt_1 27 10131 28 29 bJ 30 1-1 31 W

32 K N AC ON ON PL NT MET HOURS SB 1 FOR b B. SUPPL R MANUF CTURER LaJ@LzJ@ L1J@ l ZIO I 01010101 LN_l@

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33 34 Jb 36 37 40 42 43 44 47 CAUSE DESCRIPTICN AND CORRECTIVE ACTIONS h i O ] Failure of a drive gear in a Pacific Air Products Damper Model R-35-FS. Gear was I i i i rep 1~ aced. Retest was satisfactory. I I

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7 8 9 80 S  % POWE R OTHER STATUS DIS O RY DISCOVERY DESCRIPTION i 5 lE jh l 1l 0l 0l@l NA l d h[ Surveillance Test l AC TIVlTY CO IENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE In16l W h l Zl @l NA l l NA _

l 7 8 9 10 13 44 45 80 PERSONNEL EXPOSURES NUMBER TYRE D E SCRIP TION 39 l l 7 l l 0 l 0 l 0 l@l Z l@] NA l PERSONNE L INJUHIES NUMB E R DESCR.PTION i a NA l 7 8 9 l 0 l 0 l 0 l@l1211 80 LOSS OF OR D AMAGE TO F ACILITV TYPE DESCRIPTION v h3 S

0508 820312 OcK 05000282 NRC USE ONLY 8o NA PDR g  ; ; ; ; ; g;;y9;;l 2 0 @l 68 69 80 g 7 8 9 10 NAME OF FHEPARER PHONE:

612-388 1121