05000327/LER-1980-083-03, /03L-0:on 800529,pump Motor on O-RM-90-134 Burned Out Causing Common Circuit Breaker on O-RM-90-134/141 & 1-RM-90-112 to Trip.Cause Unknown.Motor Replaced

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/03L-0:on 800529,pump Motor on O-RM-90-134 Burned Out Causing Common Circuit Breaker on O-RM-90-134/141 & 1-RM-90-112 to Trip.Cause Unknown.Motor Replaced
ML19318C478
Person / Time
Site: Sequoyah Tennessee Valley Authority icon.png
Issue date: 06/26/1980
From: Romine P
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19318C451 List:
References
LER-80-083-03L, LER-80-83-3L, NUDOCS 8007010515
Download: ML19318C478 (2)


LER-1980-083, /03L-0:on 800529,pump Motor on O-RM-90-134 Burned Out Causing Common Circuit Breaker on O-RM-90-134/141 & 1-RM-90-112 to Trip.Cause Unknown.Motor Replaced
Event date:
Report date:
3271980083R03 - NRC Website

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o 3 l breaker on 0-RM-90-134/141, and 1-RM-90-112 to trip. This resulted in I

in 1 1 I the loss of power to the r.onitors and the monitors were declared 1-inoperable and Action 29 of LCO 3.3.3.9 was initiated for 0-FM-90-134/141.,

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/r Scquoyah Nuclear Plant LER SUPPLEMENTAL INFORMATJnN SQRO-50-327/ 8083 Technical Specification involved LCO 3.3.3.9 Reported Under Technical Specification 6.9.1.13.b Date of Occurrence: 5/29/80 Time of Occurrence: 0950 CST Unit 1 Identification and Description of Occurrence:

The pump motor on 0-RM-90-134 burned out causing the conson circuit breaker on monitors 0-RM-90-134/141 and 1-RM-90-112 to cpen causing loss of the subject radiation monitors at approximately 1100 CST 5/29/80.

Conditions prior to Occurrence:

Unit i fuel loading complete and in Mode S.

Action specified in the Technical Specification Surveillance Requirements met due to inoperable equipment.

Technical Specification LCO 3.3.3.9, Action 29 was initiated upon discovery.

1-RM-90-112 was returned to service at approximately 1200 CST 5/29/80.

Apparent Cause of Occurrence:

Cause of pump motor burning out is unknown.

Analysis of Occurrence:

There was no hazard to the public health or safety.

Corrective Action

Pump motor was replaced and 0-RM-90-134 placed into operabic status at 1600 CST 5/29/80.

Failure Data N/A