ML20084T784

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Telecopy Ro:On 721221,trip Occurred from 85% Power Due to Low Steam Generator Water Level.Caused by Erratic Operation of Feedwater Control Valve Due to Dirt in Air Supply. Proportional Counter to Replace Detector
ML20084T784
Person / Time
Site: Palisades Entergy icon.png
Issue date: 12/21/1972
From: Sewell R
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: Oleary J
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084T717 List:
References
NUDOCS 8306240104
Download: ML20084T784 (2)


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RE-DOCKET 50-255 TC-MR J0FN F 0" LEA 2Y -

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-4 DIRECTORATE OF LICEN3It!G LICENSE DPR-2C N

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s DIAR !:R 0" LEARY, ATT-D M CRUTCHFIELD F.ARLY TliIS I:0Rt!It!G TFE PALI 3ADES PLANT TRIPPED FRO:185 PERCE!!T FOUER DUE TO LOU 5 TEAM GEt!ERATOR UATER LEVEL It! ONE STEAM GE!!ERATOR.

WE CAUSE OF THE TRIP UA3 ERRATIC OPERATION OF THE FEEDUATER Coi! TROL VALVE DUE TO A VERY SMALL AMOUNT OF DIRT IN TFE AIR SUFPLY.

AT THIS TIME, UE ARE 5.TILL HAVING DIFFICULTIE3 UITH ONE OF THE TUC I!!3TALLED A!!D Tite ONE SPARE STARTUP CFAN:!EL FROPORTIONAL COUt!TER3, A3 UA3 DESCRIBID IN OUR DECEI'3ER 11,1972 TUE TO THE DIRECTORATE OF LICEN3It:G. E F AVE LOC.iTED A 3 PARE PROF 02TIONAL COUNTER TH AT CA!' SI USID IP Pl. ACE OF TFE PRESENTLY INSTALLED FAILED DETECTOR, ECUEVER, IT I3 CURRE!!TLY IN TRAN3IT TO TFE PLA!!T 3ITE, AFTER BEI:!G 5:!OUED IN I? 9 l'P3 TATE NE'd YORK F0!! 3EVERAL DAY 3.

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w AT ABOUT 9-CC A!! THIC ::0R!!ING I C0:!TACTED I:R D M CRUTOFFIELD OF YOUR STAFF A!'D RECUZ3TED PERMI35 ION TO START UP Tl'I PALISADES PLANT It! A Mist!!!IR SII:ILAR TO THAT DE3CRISZD It! OUR DECE!: DER 11, 1972 TUX.

I AL30 It! FORMED !!R CRUTCHFIZLD THAT THE REI'AI!!It!G OPERABLE STARTU?

CHA!!NZL UA5 READING ABOUT 20 COUNTS PER SECOND A!!D THE TWO LOG-RAi!GE CPAN"ZL3 WIRE READING ABOUT 7 X 10 TO THE -S PERCINT OF RATED REACTOR FOUZR. AGAIt!, OUR LOAD 3ITUATION IS CRITICAL. WE VERY MUCH

?EED PALI 5ADE3 ON TPZ lit!E TO MIET 3YSTEi! LOAD RZQUIREl:Zi!TS. It! AD-DITION, I TOLD I:2 CRUTCHFIZLD THAT UZ UZRE PLACING It! THE I: AIL TODAY A PROF 03ED TECFr!ICAL SPECIFICATI0t! CHA?!GE THAT WILL ALLON TFZ FLANT TO BE STARTED UF WITH O!!E OPIRABLE STARTUF CHANNZL Ai!D TWO OFZRA3LE LOG-RA!.'CE CHANNEL 3, PROVIDING NEUTRON FOUER LEVILS ARI VISIBLZ 0" ALL THRIZ CHA!!NEL3. LATER, i:a CRUTCHFIELD GAVI VERBAL AUTFORIZATIO" TO PROCZZD '. ITH THE START,UP, PROVIDED THE RZCUIREMENTS DELI!!EATED IN ITZMS A'THROUGH Z OF OUR DECEMBER 11, 1972 T2X ARE MIT.

AGAIt', UZ APPRICIATE YOUR STAFF"5 PROMPT ATTINTION TO THIS I:ATTER AND 9

WILL KEEP TFZI: A3 UZLL A3 DIRECTORATE OF REGULATORY OPERATIO!!3 PER-3 4

50!!!!ZL It'FORMZD UITH RZ3PICT TO THE STATUS OF OUR STARTUP CHANNZLS.

YOURS VZRY TRULY, RALFP S SENZLL

!!UCLEAR LICIT'3I!:G AI'MINISTRATOR

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