ML19261F315

LER 77-022/01T:on 770825,during Normal Operation Restrictions Placed on Decay Heat Removal Pumps Found Contrary to Pump Operating Capability Per Fsar.Restrictions Placed on Pump by B&W Due to Pump Failure at Other Util

ML19261F315
Person / Time
Site:	Three Mile Island
Issue date:	09/08/1977
From:	Potts W METROPOLITAN EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19261F314	List: ML19261F313 ML19261F315
References
LER-77-022-01T, LER-77-22-1T, NUDOCS 7910250775
Download: ML19261F315 (1)

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LICENSEE EVENT REPORT

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CONTROL BLOCK:( l l l l l (PLEASE PRINT ALL REQUIRED INFORMATION)

. 1 6 NAME LCENSE NUMBEA YE TYPE 01 l Pl Al Tl MlI l1l l0l0 -l0 l0 l0 0l0l-l0 0l lhl1 1 l1 l1 l l0l1l 7 89 14 15 25 26 30 31 32 CATEGC A J TP E OOCKET NUMBER EVENT DATE AEPCAT DATE

@ CONI l l l [T_j lL l l0l5 0 l- 0 218 19 l0!8l2l5 7l 7l l0 l9 0 l 8 l 7 l 71 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION HE I During nor=al operations , restrictions were placed en Decay Eeat Re=cval Fu=ps which 7 89 80

$ l Vere found centrary to the pu=rs creratiu carability as stated in the FSAR. These l 7 89 80 E ..q+ 4e+4m , v ., a..q+p4 A.., +- +w. c,473.. ec q 94 41.. - -, .y c

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+wp. q + 4 7 4 +.7 7 89 80 U l l 7 89 eo o 1 I 7 89 pque 80 a rSTEM CAUSE COMPONENT CCMAONENT CCCE CODE COMPONENT COCE SUPPLEA MANUFAb W VIOLATICN

@ lZ lZ l l Fl 7 89 10 l Zl Zl Zl 1 Z l Zl Z l Z 9 l9 9l lnl 11 12 17 43 44 47 48 CAUSE DESCAIPTION DE l The NSSS vendor placed the restructions on the pu=p due to a failure of a similar 7 89 80 UE rump at another utility. l 7 89 80 DE F ACA.!TY METHCO OF STATUS  % POWEA OTHER STATUS DISCOVEAY DISCOVERY DESCRIPTCM i 1O!OI M l b45 NA l 7 8 9 10 12 13 44 46 80 ACTMTV CONTENT AELEASEO CF AELEAof AMOUNT OF ACTMTV LOCATON OF AELEASE M LZ_I LZ_J NA I I NA I 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NOVJEA TYPE DESCRIPTON

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7 89 Ol0 Cl 11 dl12 13 NA 80 PERSONNEL INJURIES NUMBEA CESCRIPTON BE l0 l o l 01 l NA 7 89 11 12 80 OFFSITE CONSEGUENCES EE NA 7 89 so LOSS DA OAMAGE TO FACILITY TY PE CESCRIPTION B2 L_d I n^ l 7 89 10 80 PUBUCITY

$l 7 89 Included in weekly news release.

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ADDITIONAL FACTOAS 7 89 80 MI l 7 89 80

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,-3601 Ext. Ilh NAME: pu .

GPQ 333 66T 7910250 7 7 5 4