ML20249B134
| ML20249B134 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 02/10/1976 |
| From: | Dreher F, Roy G, Thornburg H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-76-023, PNO-76-23, NUDOCS 9806220095 | |
| Download: ML20249B134 (1) | |
Text
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( e we PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE February 10, 1976 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE --PNO-76-23 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 j
and is basically all that is known by OIE staff as of 2:30 P.M. on date of this notification.
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: Pilgrim 1 Boston Edison Company
Subject:
INDICATIONS IN FEEDWATER N0ZZLE While shutdown for refueling, a scheduled examination of the feedwater
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spargers and interior cladding of the reactor feedwater nozzles revealed 21 linear indications ranging in length from 1/16" to 1/4".
The indica-tions were found on the upper half of one of the four feedwater nozzles.
No visual linear indications were found on the spargers, the apparent cause of the problem. The licensee has ordered a new modified sparger. The licen-see intends to unload the fuel and, lower water level to facilitate the com-plete inspection of the 4 nozzles and related repair activities with a minimum radiation exposure to workers. This problem has occurred at several other BWR facilities.
Region I estimates this problem will increase the outage at least one week.
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Media interest is expected because of Pilgrim 2 hearings in progress.
l The State of Massachusetts has been informed. A press release is not
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planned.
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Region I, Philadelphia, PA received notification of this occurrence by d
telephone from the licensee at 11:25 a.m. 2/10/76.
Contact:
FADreher, IE x27261 GWRoy, IE x27353 HDThornburg, IE x27353 Distribution:
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Chairman Anders Commissioner Mason S. J. Chilk, SECY Commissioner Gilinsky Commissioner Rowden G. F. Murphy, JCAE Commissioner Kennedy C. C. Kammerer, CA I
L. V. Cossick, J. G. Davis, OIE J. A. Harris, PA B. C. Rusche, NRR J. La Fleur, ISP T. J. McTiernan, AIA K. R. Chapman, NMSS H. K. Shapar, ELD MNBB 3 k ; tugd Transmitted:
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PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE 9806220095 760210 PDR I&E
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PNO-76-023 PDR
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