ML20004F772

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Advises That IE Info Notice 81-15, Degradation of Automatic ECCS Actuation Capability by Isolation of Instrument Lines, Was Issued to Listed Licensees on 810422
ML20004F772
Person / Time
Site: Palo Verde, Columbia, Diablo Canyon, San Onofre, Humboldt Bay, Rancho Seco, Washington Public Power Supply System, Satsop, Trojan
Issue date: 04/22/1981
From:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20004F773 List:
References
NUDOCS 8106220316
Download: ML20004F772 (1)


Text

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o NOTE T0: ALL THOSE ON IE INFORMATION NOTICE DISTRIBUTION LIST FROM:

IE, REGION V

SUBJECT:

IE INFORMATION NOTICE NO. 81-15: DEGRADATION OF AUTOMATIC ECCS ACTUATION CAPABILITY BY ISOLATION OF INSTRUMENT LINES The attached IE Information Notice No. 81-15 was issued this date to the following licensees:

1.

Arizona Public Service Company (Palo Verde 1, 2 & 3. Docket Nos. 50-528, 50-529 & 50-530).

2.

Pacific Gas & Electric Company (Humboldt Bay Unit 3, Diablo Canyon Units 1 & 2, Docket Nos. 50-133, 50-275 & 50-323).

3.

Portland General Electric Company (Trojan, Docket No. 50-344).

4.

Sacramento Municipal Utility District (Rancho Seco, Docket No. 50-312).

5.

Southern California Edison Company (San Onfre Units 1, 2 & 3, Docket Nos. 50-206, 50-361 & 50-362).

6.

Washington Public Power Supply System (WNP-1, WNP-2, WNP-3, WNP-4

& WNP-5, Docket Nos. 50-460, 50-397, 50-508, 50-509 & 50-513).

Region V has made distribution to the Accessions Unit for the PDR, LPDR, NSIC and TIC.

Enclosures:

1.

Transmittal Letter 2.

IE Information Notice 81-15 O

8106220fff

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