05000321/LER-1979-050-01, /01T-1:on 790725,RHR Pump Was Found to Have Excessive Leak at Mechanical Seal.Removal of Pump from Svc for Maint Violated Tech Specs.Leak Caused by Ruptured Seal. Seal Replaced & Pump Returned to Svc

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/01T-1:on 790725,RHR Pump Was Found to Have Excessive Leak at Mechanical Seal.Removal of Pump from Svc for Maint Violated Tech Specs.Leak Caused by Ruptured Seal. Seal Replaced & Pump Returned to Svc
ML19253B012
Person / Time
Site: Hatch 
Issue date: 09/05/1979
From: Nix R
GEORGIA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19253B011 List:
References
LER-79-050-01T, LER-79-50-1T, NUDOCS 7909140364
Download: ML19253B012 (2)


LER-1979-050, /01T-1:on 790725,RHR Pump Was Found to Have Excessive Leak at Mechanical Seal.Removal of Pump from Svc for Maint Violated Tech Specs.Leak Caused by Ruptured Seal. Seal Replaced & Pump Returned to Svc
Event date:
Report date:
3211979050R01 - NRC Website

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[ d,3J l With the Reactor in the shocdme - coolinc node, the IC RHR.num (E11-C002C) ww found!

I o 13 I l to have an excessive leak at the mechanical seal. When the IC RHR nuno was removed _J c64 i l frc service to repair Che seal, the reactor unit was not in ec ::pliance wi th Torh-I gi g i nical Specification 3.5.B.1.a because the RHR pumns in the B loon were alreadv eut l

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NARRATIVI: REPORT 1,ER 50-32 I / I')79-50, Rev. I With the reactor shutdown for maintenance and ref ueling, while running in the shutdown cooling mode and preparing to perf om the 10'V hydrostatic test, the IC Rl!R pump (C11-C002C) w.is f ound to have an excessive leak at the mechanical scal.

When the IC R!iR pint.p was removed f rce service, to permit maintenance personnel to replace the seal, the reactor unit was not in compliance with Technical Specifica tion sect ion 3. 5.B. I.a because the kilR pumps in tlie B loop were already out of service for hanpcr repairs.

The ruptured mechancial seal was replaced and the IC RilR pump ret urn ed to service on July 27, 1979.

Public health and safety were not affected by this incident, a< mn [hEIj:r'pj'yj[3r fE: F n; t

@ U LIu b,J.a 343173