ML19257D490

Updated LER 79-030/03X-1:on 791121,during Insp Per IE Bulletins 79-14 & 79-02,two Snubbers in Cooling Water Sys Found Incorrectly Installed & One Hanger in Auxiliary Feedwater Sys Found Damaged.Cause Not Stated

ML19257D490
Person / Time
Site:	Prairie Island
Issue date:	01/30/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19257D488	List: ML19257D487 ML19257D490
References
IEB-79-14, LER-79-030-03X, LER-79-30-3X, NUDOCS 8002040477
Download: ML19257D490 (1)

Text

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LICENSEE EVENT REPORT UPDATE REPORT PREVIOUS REPORT DATE 12/21/79 CONTROL BLOCK:

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h (PLE ASE PRINT OR TYPE ALL REQUIRED INFORMATIONI lo l1l M ! N l P l I l N l 1 l@l 0 l 0 - l 0 l 0 l 0 l 0 l 0l -l 0 ld@l 4 l 1 l 1 l1 l 1 j@l l l@

Q ? 8 9 tiCENSEE CODE 14 15 LICENSE NUMBLH 25 26 LICENSE TYPE J0 S/ L A T $d Ch. con T ILh 610 Sl0]0l0l2 8l2 @l1 112 1l7

$ 7 0 1 6

5$n"CE 60 DOCK ET NUMBE R b8 69 EVENT DATE 9 @ 01113 74 75 Lo181080 @

REPORT DATE EVENT DESCRIPTION AND PRO 8A8LE CONSEQUENCES h W [ o 12 l l During walkdown inspection dictated by IE Bulletin 79-14 and 79-02, two snubbers in j g -

ga;3; ;the Cooling Water System were found incorrectly installed and one hanger in the l O 4 Auxiliary Feedwater System was found damaged. One hanger each in the Cooling Water l n s ;and Component Cooling Water Systems was found to have inadequate safety factor. No ]

o 6 effect on public health and safety. Tech. Spec. 3.12 applies, j O 7 l

0 a i 1 7 8 9 80 SYSTEM CAUSE CAUSE COYP VALVE CODE CODE SU8 CODE COMPONENT CODE SUBCODE SUBCODE 7

O 9 8 9 WlAlh W h lClQ lS 10 11 12 13 U

P l0 lR T l@ {g ]Q 18 19 20 SE QUE NTI AL OCCURRENCE REFORT REVISION

_ EVENT YE AR REPORT NO. CODE TYPE NO

@ ug "L E R 'RO l217 22l9 l l-l 23 l 0 l 3l 0l 24 26 y

27 0l3l Xl b W

_ 28 29 30 31 32 AKEN A ON ON PLANT MET HOURS S 8 IT D FO 5US SUPPLI E MAN FACTURER W@W@

33 34 LzJ@

35 W@

36 lofofolol 37 40 W@ IY@ l^@ l zl9 19 19l@

41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS i O l Repairs have been made. All five devices are operable. Inspection is continuinn.

i i l i 2 l i a 1 i 4 l l 7 8 9 80 A S  % POWER OTHER STATUS dis OV RY DISCOVERY DESCRIPTION i 5 Wh l 0l 6l Sl@l N/A l W @l Inspection per IE Bulletins l AC TiviT Y CO$ TENT HE LE ASE D OF RELE ASE AMOUNT OF ACTIVITY LOC ATION OF RELE ASE l1 16 I d h d@l NA l NA l 7 8 9 10 11 44 45 80 PERSONNE L E XPOSURES N UP.*B E R TYPE DESCRIPTION '

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NuM8ER DESCRIPTION @

l i j - l l 0 l 0 l 0 l@l NA l 7 8 9 11 12 80 L 055 OF OR DAMAGE TO FACILITY TYPE D E SC RIP TION 7

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PUB L ICI TY ypc ggg gyty 7

2 o 8 9 W D@lDE ISSUE 10 NA SCRIPTION l 68 69 l llll l lll3 80 &

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NAME OF PREPARER PHONE-8002040f7[