05000289/LER-1980-001, Forwards LER 80-001/01T-0

Forwards LER 80-001/01T-0

ML19290C983
Person / Time
Site:	Crane
Issue date:	02/06/1980
From:	Herbein J METROPOLITAN EDISON CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19290C984	List: 05000289/LER-1980-001, Forwards LER 80-001/01T-0 05000289/LER-1980-001-01, /01T-0:on 800123,during Load Study,Determined That Potential Overload Condition Could Exist on 1P 480-volt Bus W/Failure of Is 480-volt Bus.Caused by Inadequate Design
References
TLL-050, TLL-50, NUDOCS 8002150284
Download: ML19290C983 (1)

LER-1980-001, Forwards LER 80-001/01T-0

Event date:
Report date:
2891980001R00 - NRC Website

text

l

's Metropolitan Edison Company J

Post Office Box 480 Middletcwn, Pennsylvania 17057 717 944 4 041 Writer's Direct Dial Number February 6, 1980 TLL 050 Mr. Boyce H. Grier, Director Office of Inspection and Enforcement Region I U. S. Nuclear Reguitory Cor:: mission 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Sir:

- Three Mile Island Nuclear Station, Unit I (TMI-1)

Operating License No. DPR-50 Docket No. 50-289 LER 80-001/01-T-0 Attached please find Licensee Event Report (LER) 80-001/01-T-0 concerning potential overloading conditions that could exist on the IP480V bus during certain failures and actuations.

Sincerely,

- O s

'\\

J. G. Herbein Vice President Nuclear Operations JGH:CFM: hah Attachment Ye;\\

g 8002150

'Astrccc:.an 6.sen Ccn cany s a Mem:er of tre General %:oc Utmt:es System