ML17326B554

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NPDES Noncompliance Notification:On 890224,leak Found in Main Turbine Lubricating Oil Coolers.Cause Not Stated. Leaking Cooler Isolated & Tube Plugged & Eddy Current Testing Performed to Determine Integrity of Remaining Tubes
ML17326B554
Person / Time
Site: Cook American Electric Power icon.png
Issue date: 03/06/1989
From: Baker D
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To: Kilmer G
MICHIGAN, STATE OF
References
NUDOCS 8903210327
Download: ML17326B554 (4)


Text

IICCp~RATED DISTIuBU'nON DEMONSTRATION SYFI'EM REGULATI ZNFORMATZON DZSTRZBUTZONQSTEM (RZDS)

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ACCESSION NBR:8903210327.

DOC.DATE: 89/03/06 NOTARIZED: NO DOCKET, 0 FACIL:50-316 Donald C.

Cook Nuclear Power Plant, Unit 2, Indiana a

05000316 AUTH.NAME AUTHOR AFFILIATION BAKERFD.L.

Indiana Michigan Power Co. (formerly Indiana 6 Michigan Ele

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RECIP.NAME RECIPIENT AFFILIATION KILMERFG.

Michigan, State of

SUBJECT:

NPDES noncompliance notification:on 890224,leak found in main turbine lubricating oil coolers.

DISTRIBUTION CODE:

IE23D COPIES RECEIVED:LTR I

ENCL 0 SIZE:

TITLE: Environmental Event Report (per Tech Specs)

NOTES:

RECIPIENT ID CODE/NAME PD3-1 LA STANGFJ INTERNAL: AEOD/DSP/TPAB NRR/DEST/ADE 8H NRR/DREP/RPB 10 UDOCS~B RACT F L R

2 DRSS/EPRPB EXTERNAL: LPDR NSIC COPIES LTTR ENCL RECIPIENT ID CODE/NAME PD3-1 PD AEOD/PTB NRR/DREP/EPB 10 NRR/PMAS/ILRB12 OGC/HDS1 RGN3 FILE 01 NRC PDR COPIES LTTR ENCL NOZE LO ALL 'RIES" KXXPIERIS:

PIZASE HELP US IO REDUCE HASTE!

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LTTR 17 ENCL

Indiana Michigan Power Company ~

One Summit Squa~

PO. Box 60 Fort Wayne. IN 46801 219 425 2111 Mr. Galen Kilmer District Environmental

Response

Supervisor Michigan Department of Natural Resources P.

O.

Box 355 Plainwell, Michigan 49080 lNblANA NlCHIGiAN POWER March 6, 1989

Dear Mr. Kilmer:

On February 24, 1989 at 1:30 p.m.,

personnel at the Indiana Michigan Power Company (1&M)

Cook Nuclear Plant discovered a

small leak in one of Unit 2's main turbine lubricating oil coolers.

Lake water from the nonessential water system is pumped through cooler tubes to cool the lube oil.

This small hole created a

connection between the cooler and the nonessential water,. system which discharges to Lake Michigan.

I The leaking cooler was isolated and the tube was plugged.

To prevent any more possible future leaks in the cooler, eddy current testing was performed to determine the integrity of the remaining cooler tubes.

The exact amount of oil lost is not

known, but 1156 gallons of lube oil were added to the tank to bring the level back up to the normal level.

No oil was observed at the plant water discharges, nor along the shore or on the ice surrounding the discharges.

Due to 'the very dangerous nature of lake ice no attempt was made to walk out on the ice for a close inspection.

The incident was reported by telephone to the National Response

Center, report II2727 and the Michigan PEAS on February 24, 1989.

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'If there are any further questions, please contact David Shipe, Environmental Engineer at 219/425-2123.

Very truly yours, Donald L. Baker Environmental Affairs Manager DLB/df 89032i0327 890306 PDR ADOCK 050003i6

,PNV

March 6, 1989 Mr. Galen Kilmer Page 2

bc:

A. J. Ahern/T.

E. Webb/M.

R. Robida M. P. Alexich P.

A. Barrett A. A. Blind/J.

R.

Sampson C.

E.

Hawk K. D. Mack NRC Resident Inspector - Cook Plant PNSRC Cook Plant D. A. Shipe W. G. Smith, Jr.

W. E. Walters J.

T. Wojcik/D. M. Fitzgerald G. Charnoff/R.

E. Zahler - Shaw,

Pittman, Potts

& Trowbridge T. E. Murley Nuclear Reactor Regulations~

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