ML19259A748

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LER 78-042/03L-0 on 781212:number of Operable Charging Pumps Reduced to One Less than Number Required by Tech Specs. Caused by Packings of 2 Charging Pumps Reaching Their Natural End of Life Simultaneously
ML19259A748
Person / Time
Site: Calvert Cliffs Constellation icon.png
Issue date: 01/04/1979
From: Davis S, Romney K
BALTIMORE GAS & ELECTRIC CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19259A745 List:
References
LER-78-042-03L-01, LER-78-42-3L-1, NUDOCS 7901100257
Download: ML19259A748 (1)


Text

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, , LICENSEE EVENT REPORT -Or CONTROL B LOCK:

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) fiiTT11 Mi 01 C 7 8 9 LICENSEE CODE Cl Nl 2l@l 0l 01 -l 0l 14 15 0l 0l 0l 0l -l 0l 0l@l26 4l LICENSE LICENSE NUMBER 25 1l ll 1lTYPE 1l@l 30 57 CAT 58 l@

CON'T M 8 S URE lL l@l0 l5 DOCKET l0 l0NUMB l0 ER l3 l1 l868l@l1 69 l2EVENT l1 l217 DATE 8 )@ 75 0l 1 74 01 41 7 9l@

REPORT DATE 80 7 60 61 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10 l 2 l At 0741 22 charging pump was discovered to have excessive primary packing I o 3 l leakage (21 charging pump had been previously isolated for packing leakage), i o 4 l reducing the number of operable charging pumps to one less than the number i rg pg] i required by T.S. 3.1.2.4. 22 charging pump was returned to service at 1330.

o s l #23 charging pump remained operable during the 6 vent. LER 77-69 describes io;2; ; a similar event. l l 0 l8 l l l E CO E S BC E COMPONENT CODE SU8 CODE SU E g

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_ SEQUENTIAL OCCURRENCE REPORT REVISION

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_ 21 22 23 24 26 27 N M 30 31 32 KN AC ON O P teT M HOURS 22 S8 1 FOR B. SUPPL 1 MANUF C RER 33 B l@l34 Z l@ l35Z l@ 36 Zl@ l0l0l0lu 37 40

[41N_J @ [Y_j@ 42 43 Al@ 44 Xl9l9l9l@ 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i O I This event was caused by the packinos (UTEX INDUSTRIES #0722-04-0194-19) of I li li i i two charaina pumps reachina their natural end of life simultaneously. FCRs I i

2 1 77-0124 and 78-0101 are currently in proaress to facilitate packina repairs I i 3 I and allow extended packina service life respectively. I FTTTIl l

"^'2SY ST  % POWER OTHER STATUS DIS O R DISCOVERY DESCRIPTION i s l__E_l@ l 0 l 9 l 7 l@l -NA l lAl@l Operator Observation l A!TiviTY COMTeNT OF RELE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE i e RELEASE Lz_l @D LZj@[ NA l l NA l

,ERSO~~EL ExPOSsES NUVBE R TYPE DESCRIPTION y l 0l 01 Ol@Lzj@l NA l

' ' ' ,ERSONNEl'i~;uWiES NUMBER DESCRiPTiO~@

L2_Lajl010101@l NA l 7 8 9 11 12 80

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@l10 80 PUBLIC TY NRC USE ONLY d d@l NA l l 1 l l l l l l l l l ll 790l'10g9{ngg T S. M. Davis /K. M. Romney 4WN

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