PNO-III-86-143, on 861209,plant Shut Down Due to Discovery That 200 AMP Electrical Splices Supplied by GE May Not Meet Environ Qualification Requirements.Special Region III Insp Will Review Splice Problem & Licensee Corrective Action

PNO-III-86-143:on 861209,plant Shut Down Due to Discovery That 200 AMP Electrical Splices Supplied by GE May Not Meet Environ Qualification Requirements.Special Region III Insp Will Review Splice Problem & Licensee Corrective Action

ML20215C593
Person / Time
Site:	Duane Arnold
Issue date:	12/09/1986
From:	Harrison J, Muffett J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
References
PNO-III-86-143, NUDOCS 8612150257
Download: ML20215C593 (1)

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PRELIMINARY NOTIFICATION OF. EVENT OR UNUSUAL ~0CCURRENCE--PNO-III-86-143. Data December 9 - 1986 -

~t-p.

PThis preliminary notification constitutes EARLY notice.of events of POSSIBLE safety r

"#l I tor public; interest significance. The information is as initially received without verification or evaluation,-and is basically all that'is known by the Region III staff on this-date.

o Facility:3, Iowa Electric Light.& Power Co. Licensee Emergency Classification:

, tDuane Arnold Energy Center ' Notification of.an Unusual Event .

.Palo, IA ~52324 Alert.

Site Area Emergency.

. Docket No.'50-331: General Emergency X Not Applicable

Subject:

SHUTDOWN TO REPAIR UNQUALIFIED ELECTRICAL SPLICES j

On-December 9,1986, the-licensee notified ' Region III (Chicago) that ,it_was shutting down

'because' 200 electrical splices may not meet environmental qualification requirements. The

< iAMP splices were supplied.by the General Electric- Company.

LThe licensee' discovered'the problem after initiating an investigation following notification

.that similar~ AMP-splices at-the Dresden and Quad Cities Nuclear Plants had been found to be Jenvironmentally~ unqualified (see PNO-III-86-142). The licensee was informed of the Quad ~ Cities /Dresden problem during the week'of November 30, 1986.

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The repair involves wrapping each splice with tape which meets environmental qualification -

requirements or replacing the splices. <

A.special Region III inspection will review the splice problem and the licensee's corrective

' action.. The Office of Nuclear Reactor Regulation has been informed. The generic (implications are already being pursued as a result of Dresden/ Quad Cities.

The State of Iowa will be notified.

4; Region 1986.--This III was notified is information of current the splice problem as of 4 p.m. by(CST), December 9, 1986.the licensee at 3 p.m T)

CONTACT: J. Muffett J. Harrison FTS388-Q763 FTS 388-5635 17.,/9/db n.] 9} 86 l

DISTRIBUTION:

lH.~St.- ED0 NRR E/W Willste Mail: ADM:DMB  ;

Chairman Zech PA IE NMSS D0T:Trans only Comm. Roberts ELD OIA RES Comm. Asselstine AE0D NRC Ops Ctr 2 /d l Com. Bernthal

-Comm. Carr SP 220 Regional Offices

-ACRS

-SECY INP0 2 M NSAC 2 M CA: RIII Resident Office PDR Licensee: 2*o2 g (Corp. Office - Reactor Lic. Only)

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8612150257 861209 PDR I&E Region III PNO-III-86-143 PDR  ; Rev. November 1986 S(

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