PNO-IV-87-061A, on 871209,both RHR Trains Lost.Train a Diesel Declared Operable on 871209.Chance of Tampering Concluded Due to Investigation of Changed Mechanical Governor Setting. Diesel Generator Room Access Restricted

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PNO-IV-87-061A:on 871209,both RHR Trains Lost.Train a Diesel Declared Operable on 871209.Chance of Tampering Concluded Due to Investigation of Changed Mechanical Governor Setting. Diesel Generator Room Access Restricted
ML20237A052
Person / Time
Site: Waterford Entergy icon.png
Issue date: 12/10/1987
From: Jaudon J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:
References
PNO-IV-87-061A, PNO-IV-87-61A, NUDOCS 8712140219
Download: ML20237A052 (1)


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December 10, 1987 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PN0-IV-87-61A l

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: Wolf Creek Nuclear Operating Corp. Licensee Emergency Classification:

Wolf Creek Generating Station Notification of Unusual Event Coffey County, Kansas Alert ,

DN 50-382l Site Area Emergency j General Emergency 1 Not Applicable j X Other

SUBJECT:

LOSS OF BOTH TRAINS OF RHR This updates the loss of both RHR trains at Wolf Creek on December 9, 1987.

-The A Train diesel was declared operable at 12:22 p.m. on December 9, 1987. Investigation of the changed mechanical governor setting has lead the licensee to conclude that tampering may have occurred. The licensee has contacted the FBI and has restricted access to the diesel generator rooms.

Region IV contacted the IAT at approximately 11:00 a.m. on December 9, 1987.

The Licensee decided to issue a press release on December 9, 1987.

This information has been confirmed with a licensee representative.

CONTACT: J. P. Jaudon (FTS 728-8140)

DISTRIBUTION:

MAIL:

H. St. MNBB E/W Willste DCS (Original)

Chairman Zech AE0D OIA NMSS D0T:(Transonly)

Comm. Roberts PA 01 Comm. Bernthal OGC VIB FAX:

Comm. Carr MPA INP0 Comm. Rogers ARM NSAC ACRS RRI l NRC OC i SECY I CA Phillips AirRights LICENSEE:

PDR NRR SLITP (Reactor Licensee)

OGC-H GPA ACRS Nicholson Lane PDR RES Regional Offices j DRP1 RA h yh h I

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Transmitted via 5520 (12/10/87 - 2:27p}

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