ML20101U564

Questions Conclusion of IE Info Notice 84-89 That Stress Corrosion Cracking Caused Cracks in Jet Pumps.Cause Not Proven.Fabrication or Preexisting Cracks Could Also Be Cause

ML20101U564
Person / Time
Site:	Limerick
Issue date:	12/19/1984
From:	Lewis M LEWIS, M.
To:	Jordan E NRC
Shared Package
ML19264F096	List: ML20101U564
References
IEIN-84-89, NUDOCS 8502070444
Download: ML20101U564 (3)

Text

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PHilA, PA.19149 Edward L Jordan Dear "ir IE info "otice M-89 states Stress Corrosion cracking was the cause of the cracks is the jet pumps at PECos facility.

I have studied the PECo rep-ts and letters. Although IGSCC is not ruled out, nsither is IGSCC proven. In fact fabrication or preexisting cracks could clso be the cause of the cracking as well as IGSCC.

The info notice is misleading in that it appears that

1. IGSCC is proven

2. no other source of the cracking need be investigated at PECo or any other plant.'

3.PECo's subnittals appear to be taken at face value without independent testing arg*grifgtion.Thisleadstothesuggestionthatwhateveralicensee be accepted without question by the NRC-whdch is probably true.

Hoping that you plan to correct these items,

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Warnings f om a dangerous eactor.'

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,&Doctorst and2 psychiatrists warn'that piany people practice. ' denial. ' We know

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4theFblueprints backward would affect the installation and the seismic capability

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,;some, defic,iencies appear serious on their face.; These are reclassified as

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y, "unr' solved ; issues. or open' issues. The NRC classifies safety re.hted deficiencies e

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WHAT CA 'YOU'D0??

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l!NeMojiss?and:explanator/ letters from the NRC ofithese reoorts.

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INFmMATION FROM INSPECFION REPORTS u

' ssues Other Report number; Violation Unresolved items Open i

50-352/M-59 "' -

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discrepancies 84-60 and M-13 ~

procedures not revised 84-55 x

' 84-51

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x 84-56 x

',84-58 followup needed 84 fuel rod procedure not ok'd.

8449and 84-12'"

x 64-46 x

8442 x

8447 x

deficiencies and unacceptable..

84-29 x.

x x

8444-i

..4 x

test exception 84-27 84-33 x

construction deficiency 84 -

x 8441 many deficiencies 84331 x

confusin a writing 84-36 and 353/84-10 '

x x

84-34 84-16 tesbichange~ notice (TCN) lack of commucincation b.tn.

shifts.

84-35 x

84-26and353/84-09 2-Board Notification 84-142 ; Pipeline hazards 84-30 many deficiencies Please note that this list only contsins letters from NRC to Peco for the monthr of August, September, October and November..There are issues still being ge,nerated and there are issues still open from months and years previous.to the letters in the above list. Also the list does not demonstrate all' deficiencies in these letters.'

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