ML20028C262

Forwards LERs 82-097/03L-0,82-098/03L-0,82-099/03L-0, 82-100/03L-0 & 82-101/03L-0

ML20028C262
Person / Time
Site:	Cook
Issue date:	12/22/1982
From:	Will Smith INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20028C263	List: 05000316/LER-1982-097-03, /03L-0:on 821204,fire Detection Sys Alarm for 4 Kv Switchgear Room Received Due to Pyralarm Detector Alarming for No Apparent Reason.Caused by Low Setpoint.New Detector Installed 05000316/LER-1982-098-03, /03L-0:on 821127,fire Detection Sys Alarm for 4 Kv Switchgear Room Received Due to Pyralarm Detector Alarming. Caused by Low Alarm Setpoint.Pyralarm Replaced 05000316/LER-1982-099-03, /03L-0:on 821123,during Surveillance Test on Automatic Load Sequence Timing Relays,Four ESF Timers Found to Exceed Allowed Tolerance.Caused by Instrument Drift. Timers Readjusted & Solid State Relays Under Review 05000316/LER-1982-100-03, /03L-0:on 821130,during Surveillance Test on Diesel Generator Load Shedding Relays,Six 4 Kv Loss of Voltage Relays Exceeded Allowed Tolerance.Caused by Instrument Drift.Undervoltage Relay Under Study 05000316/LER-1982-101-03, /03L-0:on 821124,discovered Time Delay of Two Automatic Load Sequence Relay Timers Not Repeatable & Timers Exceeded Allowed Tolerance.Caused by Toggle Switch Assemblies Being Out of Alignment.Assemblies Replaced ML20028C262
References
NUDOCS 8301070274
Download: ML20028C262 (1)

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,,% INDIANA & MICHIGAN ELECTRIC COMPANY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 (616) 465-5901 December 22, 1982 Mr. J.G. Keppler, Regional Administrator United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 Operating License: DPR-74 Docket No.:

50-316

Dear Mr. Keppler:

Pursuant to the requirements of the Appendix A Technical Specifications, the following report /s are submitted:

RO 82-097/03L-0 RO 82-098/03L-0 RO 82-099/03L-0 RO 82-100/03L-0 RO 80-101/03L-0 Sincerely,

)

s Gh.,

u W.G. Smith, Jr.

Plant Manager

/skf cca J.E. Dolan R.S. Hunter M.P. Alexich R.F. Kroeger K.J. Vehstedt E. Swanson/N. DuBry RO:III R.C. Callen MPSC G. Charnoff, Esq.

J.M. IIennigan h.O. Bruggee EPRI INPO PNSRC J.P.

Stietzel E.L. Townley Dir., IE (30 copies)

Dir., MIPC (3 copies) 8301070274 821222 DEC 2 7 %

PDR ADOCK 05000316 Ih)

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