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Telecopy Ro:On 720619,automatic Pressure Release Valve 203-3-D Failed to Operate.Investigation in Progress
	ML20084B508
Person / Time
Site:	Quad Cities
Issue date:	06/19/1972
From:	Stephenson B; COMMONWEALTH EDISON CO.
To:	Boyd D; NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084B496	List: ML20084B493; ML20084B508;
References
	NUDOCS 8304060482
	Download: ML20084B508 (1)
	v • d • e

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l'1 Lk BT REFERENCE QUAL CITIES NUCLEAR POWER ST ATION DPR-30 APPENDIX A I

SECTIONS 1.0. A. 4, 6.6. A. 3 AND 6.6.B. 3 DURING THE P ERFORM ANCE OF D{E TORUS MOVEMENT TEST /STI-98/ ON THE Q UAD CITIES NUCLEAR POWER I

STATION UNIT Dl0 AN AU10MATIC PRESSURE RELEASED V ALVE /203-3-D/

d I AILED TO OPERATE. DIE MALFUNCTION OCCURED AT 450At< ON JUNE 19 19 72, WHEN A M ANUAL OPENING SIGNAL W AS Itir0 SED. DIE RE ACTO R W A '3 090 3 ')

O PE R ATING AT 650 11UT WIDI TURBIN GENER ATOR OUT OF SERVICE.

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ML20084B508