ML19206A739

Forwards LERs 78-039/03L-0,78-040/03L-0 & 78-041/03L-0

ML19206A739
Person / Time
Site:	Crane
Issue date:	06/15/1978
From:	Herbein J Metropolitan Edison Co
To:	Grier B NRC Office of Inspection & Enforcement (IE Region I)
Shared Package
ML19206A740	List: 05000320/LER-1978-039, /03L-0 on 780523:following Replacement of Vertical Shaft Coupling Identified in LER 78-039/03L-0,diesel Tripped on High Crankcase Pressure.Caused by Plugged Orifice Plate 05000320/LER-1978-039-03, /03L-0 on 780520: B Diesel Generator Failed to Start During Performance Surveillance Procedure.Caused by Improper Matl Used in Vertical Crank Shaft 05000320/LER-1978-040-03, /03L-0 on 780520:control Room Chiller AH-C-8B Failed During Reactor Bldg Isolation & Cooling Surveillance Test.Caused by Defective Micro Switch ML19206A739
References
GQL-1086, NUDOCS 7904200398
Download: ML19206A739 (1)

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FCST CFFICE BOX 542 READING. PENNSYLVANI A 19603 TELEPHONE 215 - 9:9-0601 June. 15, 1978 GQL 1C86 Mr. 3. E. Griez, Director Office of Inspection & Enforce =en:

Regicn i U. S. Nuclear Regulatory Cc=nission 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Sir:

Three Mile Island Nuclear Station Unit 2 (TMI-2)

Operating License No. DPR-73 Docket No. 50-320 Enclosed are Licensee Even: Reports (LER's) 78-39/3L, 78-40/3L and 78-41/3L. These events are repertable in accordance with Technical Specifica:10ns See:1cn 6.9.1.9.b.

Sincerely,

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J. G. Herbein Vice President-Generation JGH:JRS::as

Enclosures:

LER's: 78-39/3L, 73-40/3L, and 78-41/3L

,A 7904200 3 %

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