ML20085E608

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LER ER-76-003:on 760209,eddy Current Testing Revealed Greater than Expected Steam Generator Tube Degradation.Cause Probably Associated W/Previous Steam Generator Water Treatment Program
ML20085E608
Person / Time
Site: Palisades Entergy icon.png
Issue date: 02/24/1976
From: Bixel D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20085E610 List:
References
LER-ER-76-003, LER-ER-76-3, NUDOCS 8308150433
Download: ML20085E608 (2)


Text

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l LT.J l.L l l 01 sl 01-1012 l 51 si lol21 ol ol 716l l 01 212 lh 171 61 7 8 57 58 59 60 81 08 89 74 75 80 EVENT OESCRIPTION 35 l Preliminary analysis of eddy current results obtained while eddy current testing l

7 89 80 SE lof the Palisaaes steam generators indicates that some steam generator tubes may havel 7 89 80 g l degraded more than expected. Further information on these results of the testing l

7 89 80 DE lvill be presented in accordance with the Technical Specifications requirement l

7 89 80 g lfor the augmented Inservice Inspection Program for steam generators (ER-76-03).

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'7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION DE l The cause of the degradation is probably associated with the previous SG water l

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7 89 11 12 13 80-PERSONNEL INJURIES NUMBER DESCRPTON EE l 010l0 l l NA l

7 89 11 12 80 PROBABLE CONSEQUEN;ES 3 I Degradation of the reactor coolant uressure boundary.

I 7 89 80 LOSS OR OAMAGE TO FAClUTY TYPE DESCAPTON G2 l zj l NA l

7 89 10 80 PUBLICITY 36 i NA l

7 89 80 ADDITIONAL FACTCRS I!E I i

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7 89 80 8308150433 760224 PDR ADOCK 05000255 S

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Mr James G. Keppler Office' of Inspection Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255, LICENSE DPR-20 PALISADES PLANT, ER-76-03, STEAM GENERATORS s

Attached is a reportable occurrence which relates to the Palisades Plant and has been classified as possible degradation of steam geners. tor tubes above that which was expected. The degradation was determined as a part of the steam generator inspection.

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David A. Bixel Assistant Nuclear Licensing Administrator 1

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