ML19208A716

LER 79-025/01T-0:on 790830,during Pipe Walkdown Insp,One Pipe Hanger in Auxiliary Feedwater Sys Was Found Inoperable. Caused by Incomplete Installment During Const.Unit Repaired Immediately & Was Returned to Full Power

ML19208A716
Person / Time
Site:	Prairie Island
Issue date:	09/12/1979
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19208A715	List: ML19208A714 ML19208A716
References
LER-79-025-01T, LER-79-25-1T, NUDOCS 7909170331
Download: ML19208A716 (1)

Text

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LICENSEE EVENT REPORT CONTROL BLOCK: l i

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75 9RE*ORY l1 lD2l7 ATE l Ql@P' I 60 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h o 2 l During piping walkdown inspection g rj f_ Bulletin 79-14. one ploe h,nger in rho I

((q T) Auxiliary Feedwater System was found inoperable. The hanger was not completely I o 4 l installed during ecpytrection. Since one diesel generator was out of service for 1 o 3 l preventive maintenance, orderly shutdrwn was initiated per Tech Spec 3.7.B.2. No l

[o Is l l ef fect on public health and safety. __. I O 7 l 0 8  !

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4.1 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS i o l Hanger not complete 1v installed. Repair was A ne im ediately nnd rho un f r m c: 1 i i returned to full power. l i 2 _j i 3 I I

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LOSS OF OP DAU AGE TO F ACILITY (y;!Ii Ate f'f17' e., e T (P E

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PUB LICIT V N AC ll? : 4: y ISSU E D DESCRIPTION l lllllllt llll 7 8 9 10 6B 69 e' NAME OF PREPARER.

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