ML20127P062

Revised Unit Shutdowns & Power Reductions Rept for Oct 1976 for Monticello Nuclear Generating Plant

ML20127P062
Person / Time
Site:	Monticello
Issue date:	10/31/1976
From:	Shamla W NORTHERN STATES POWER CO.
To:
Shared Package
ML20127P049	List: ML20127P045 ML20127P051 ML20127P062
References
NUDOCS 9212010492
Download: ML20127P062 (1)

Text

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2027

. ~v . 0 3/3/70 -

DOCEF NO. 50-263 U'i1T NAME ?buticello l :o oa LR!iT SUiD0 LGS AND PChTR REDUCT ONS DATE 11/19/76 O PJ -

o -

PJ CG4P11TED EY W. A. Shanla

'O' REPCRT MOM 11 October TELEi1DNE 612/295-5151 OS ~

Revision 1 09 u e-o-

O PJ TOO EP #

N MEil!OD OF SUITING D0hy F: FORCED DURATION TliE REACTOR OR

,- CORRIri1VE ACTIONS /CO-f4ESTS S: SCHEDULED ; (HOURS) RFASON (1) REDUCING POWER (2) ,

i i NO. DATE 3 Hi Flux Scram Received While 31 761003 F  ! 6.9 B Adjustments Were Being Made to j j Test Stroke Speed Of Turbine g  ; Control Valve.

1 i A 3 Hi flux Scram Received As A Re sult 32 761015 F 9.6 of Pressure Control System Failure

, (Turbine Control Valve Linkage l Failure).

4 Outage Taken to Reduce Primary 33 761016 5 102.0 B System Leakage in Drywell and

! To Replace Drywell Ventilation Fan I

l Motor. NOTE: Reactor Was in A i Shutdown Condition (SD#32) Prior T e g g Of This Outage.

! (1) REASi?i 1: Manual A: Equipnent Failure (Explain) 2: Manual Scram 3: Fbint. or Test 3: Autatatic Scram C: Rcfueling 4: Other (Explain) i i  ! D: Regulatory Restriction i

!  ! E: Operate Training sad License Examination SU5M GY: Operated As Base Loaded Unit. 'F: Administrat P.c G: Operational Error (Explain) t H: Other (Fip1,in)

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