PNO-IV-86-019, on 860603,questionable Lug Crimping in Limitorque Valve Operators Identified During Evaluations Due to Previously Identified Problems.Five Day Outage Planned to Complete Corrective Actions & Evaluations

PNO-IV-86-019:on 860603,questionable Lug Crimping in Limitorque Valve Operators Identified During Evaluations Due to Previously Identified Problems.Five Day Outage Planned to Complete Corrective Actions & Evaluations

ML20195E618
Person / Time
Site:	Wolf Creek
Issue date:	06/04/1986
From:	Hunter D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:
References
PNO-IV-86-019, PNO-IV-86-19, NUDOCS 8606090170
Download: ML20195E618 (1)

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June 4, 1986 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-IV-86-19 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region IV staff on this date.

FACILITY: Kansas Gas & Electric Company Licensee Emergency Classification:

Wolf Creek Station Notification of Unusual Event Burlington, KS Alert DN: 50-482 Site Area Emergency General Emergency X Not Applicable

SUBJECT:

PLANT SHUTDOWN GREATER THAN 48 HOURS The SRI and licensee reported that questionable lug crimping in "Limitorque" valve operators was identified on June 3, 1986, during continuing evaluations being performed by the licensee due to previously identified problems with the "Limitorque" valve operators (wiring type, size, and splices). The licensee commenced plant shutdown, attaining the Hot Standby condition on June 4,1986, at about 2 a.m. CDT. The licensee evaluations and corrective actions associated with about 156 safety-related valve operators is continuing and the licensee plans about a 5-day outage at this time to complete the activities.

The licensee plans to issue a press release.

The state of Kansas will be informed.

Region IV received notification of this matter by telephone from the SRI and licensee on June 3, 1986, at approximately 4 p.m. CDT. This information is accurate as of about 11:30 a.m. CDT, June 4, 1986. Region IV has informed IE/NRR/SP/PA.

CONTACT: D. R. Hunter (FTS 728-8103)

DISTRIBUTION:

MAIL:

H. St. MNBB E/W Willste ADM:DMB (Original)

Chairman Palladino EDO IE NMSS DOT:(Trans only)

Comm. Zech PA OIA RES Comm. Bernthal ELD AEOD FAX:

Comm. Roberts MPA VIB INPO I Comm. Asselstine NSAC ACRS Phillips RRI SECY NRR SP (Air CA DCS Rights)

PDR / LICENSEE:

(

Regional Offices (Reactor Licensee)

DRSP RA $

EHJohnson:cnm RDMa in 6/Jf/86 6/4/86 7

(transmitted via 5520, 4 6/4 - 12:26 Jc )

8606090170 PDR I&E 860604 PNO-IV-86-019 PDR