05000000/LER-1977-040, Forwards LER 77-040/01T

Forwards LER 77-040/01T

ML20028C438
Person / Time
Site:	05000000, Millstone
Issue date:	12/27/1977
From:	Ferland E NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20027A594	List: 05000000/LER-1977-040, Forwards LER 77-040/01T 05000000/LER-1977-040-01, /01T:on 771213,two Hydrogen Detonations Occurred in Offgas Sys & Stack Base,Resulting in Momentary Radioactive Release & Injury to One Employee.Initial Detonation Caused by Arc Strike on Instrument Tubing 05000000/LER-1977-043, Forwards LER 77-043/03L-0.Detailed Event Analysis Encl 05000000/LER-1977-043-03, /03L-0:on 771219,stack Gas Monitor Sample Probes & Mounting Beam Discovered Damaged.Caused by 771213 Stack Base Hydrogen Detonation.Monitor Probes & Support Beam Replaced & Sys Operation Restored on 771223 IR 05000245/1977033 ML20027A593 ML20027A595 ML20027A612 ML20028C393 ML20028C398 ML20028C399 ML20028C403 ML20028C405 ML20028C407 ML20028C408 ML20028C410 ML20028C411 ML20028C412 ML20028C413 ML20028C414 ML20028C415 ML20028C419 ML20028C420 ML20028C422 ML20028C423 ML20028C424 ML20028C425 ML20028C426 ML20028C427 ML20028C428 ML20028C430 ML20028C431 ML20028C432 ML20028C433 ML20028C434 ML20028C435 ML20028C436 ML20028C437 ML20028C440 ML20028C441 ML20028C442 ML20028C443 ML20028C446 ML20028C448 ML20028C449 ML20028C450 ML20028C451 ML20028C452 ML20028C453 ML20028C454 ... further results
References
FOIA-82-545 MP-1-617, NUDOCS 8301100147
Download: ML20028C438 (1)

LER-1977-040, Forwards LER 77-040/01T

Event date:
Report date:
0001977040R00 - NRC Website

text

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NNSCO en.= m HARTFORD. CCNNECTfCUT C6t01 NORTHEAST NUCLEAR ENERGY COMPANY 203 666-6911 A NORTMAST UTiUTIES CCMPANY December 27, 1977 MP-1-617 Mr. Boyce H. Grier Director, Region I Office of Inspection and Enforcement U. S. Nuclear Regulatory Connission 531 Park Avenue King of Prussia, Pennsylvania 19406

Reference:

Provisional License DPR-21 Docket No. 50-245 Reportable Occurrence R0-77-40/lT

Dear Mr. Grier:

This letter forwards the Licensee Event Report for Reportable Occurrence R0-77-40/lT required to be submitted within 14 days pursuant to the requirements of the Millstone Unit 1 Technical Specifications, Section 6.9.1.

An additional three copies of the report are enclosed.

Yours truly,

,C s-4 b4 E. J. Ferland Plant Superintendent Millstone Nuclear Power Station EJF/PJP/jj

Attachment:

(LER R0-77-40/lT)

Director, Office of Inspection and Enforcement, Washington, D.C.

(30) cc:

Director, Office of Management Information and Program Control, Washington 0.C.

(3) l

')

0301100147 821207 T

545 PDR