ML20249B259
| ML20249B259 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 04/08/1976 |
| From: | Dreher F, Roy G, Thompson D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-76-069-02, PNO-76-69-2, NUDOCS 9806220241 | |
| Download: ML20249B259 (1) | |
Text
DS - @d $ hG).]i[ q 6Q PRELIM 1..RY NOTIFICATION - NOT FOR PUBLa.., DISCLOSURE #
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April 8, 1976 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -PNO-76-69 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance.
The information presented is as initially received without verification or evaluation and is basically all that is kno:.rn by OIE staff as of 4:30 P.M. on date of this notificat' ion.
IT SHOULD BE SPECIFICALLY NOTED THAT THIS NOTIFICATION MAY CONTAIN INFORMATION THAT LATER MAY BE DETERMINED TO BE INACCURATE OR INCONSISTENT. AN OFFICE OF INSPECTION AND ENFORCEMENT NOTIFICATION OF AN INCIDENT OR OCCURRENCE (BLUE SHEET) SUBSEQUENTLY WILL BE ISSUED IF WARRANTED.
Facility: Peach Bottom 2 DN 50-277
Subject:
CLADDING CRACK INDICATIONS ON FEEDWATER N0ZZLES While shutdown for a routine refueling outage, dye penetrant testing on six feedwater nozzles revealed 120 crack indications.
The largest crack i
is ils inches long the remainder are less than 3/4 inches long. The 90 i
degree feedwater nozzle was found to have the most indications, thirty nine. The 13censee's contractor, Southwest Research Institute, is scheduled to perform additional nondestructive UT examination of the nozzles, Rspairs will be performed later in the refueling outage.
Media interest is not expected. The State of Pennsylvania has been informed. A press release is not planned.
Region I, Philadelphia, Pennsylvania received notification of this occurrence by telephone from the station superintendent at 2:30 p.m.
April 7, 1976.
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Contact:
FADreher, IE x27261 GWRoy, IE x27261 DThompson, IE x27261 Distribution:
Acting Chairman Rowden Commissioner Mason S. J. Chilk, SECY y
n e Commissioner Gilinsky C. C. Kammerer, CA G. F. Murphy, JCAE 1O Commissioner Kennedy L. V. Gossick, EDO E. Volgenau, OIE J. A. Harris, PA B. C. Rusche, NRR J. La Fleur. ISP T. J. McTiernan, AIA i
K. R. Chapman, NMSS H. K. Shapar, ELD Transmitted:
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- MNBB Lug PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE
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9006220241 760408 PDR IEE i
PNO-76-069 PDR j