ML20215C829
| ML20215C829 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 03/31/1986 |
| From: | Hutchison L WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | |
| Shared Package | |
| ML17278B028 | List: |
| References | |
| NUDOCS 8610100466 | |
| Download: ML20215C829 (2) | |
Text
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r, R: Port Period MAR 1986 UNIT SHUTD0HNS / REDUCTION 5 MMMMMMMMMMMMMMMMMMMMMMMMMMMMEMMMMMMM M
HASHINGTON NUCLEAR 2 M
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
_Fo.
Date Typ Hours Rena2n Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 85-02P 07/01/85 F
0.0 A
5 CB PUMPXX P0HER OUTPUT LIMITED TO 72% DUE TO THE INOPERABILITY OF
'B' RRC PUMP.
86-01 03/14/86 F
16.2 G
3 86-003 RB INSTRU REACTOR SCRAMED AT 51% PONER DURING THE PREFORMANCE OF THE AVERAGE POWER RANGE MONITORING (APRM)
CHANNEL SURVEILLANCE.
THE HRONG APRM CHANNEL HAS INADVERTENTLY PLACED IN A TEST MODE AND LOGIC NOT RESET HHICH SUBSEQUENTLY CAUSED THE SCRAM.
86-02 03/15/86 5 381.7 F
9 UNIT REMAINED OFFLINE FOR LACK OF P0HER DEMAND.
86-03 03/31/86 S
24.0 C
9 UNIT ENTERED REFUELING / MAINTENANCE OUTAGE.
I MMMMMMMMMMM i
M
SUMMARY
M HNP-2 EXPERIENCED 2f 00TAGEf AND 1 P0HER REDUCTION IN MARCH.
MMMMMMMMMMM Ivre Reassn Method Svstem a Component F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F 8 H S-Sched B-Maint or Test G-Oper Error 2-Manual Scram Instructions for C-Rofueling H-Other 3-Auto Scram Preparation of D-Rogulatory Restriction 4-Continued Data Entry Sheet E-Operator Training 5-Reduced Load Licensee Event Report
& License Examination 9-Other (LER) File (NUREG-0161)
PAGE 2-389 R
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DOCKET N0.
50-397 LNIT HAME jP-2 DATE 1/86 LNIT SIUTDOWNS / REDUCTIONS COMPLETED DY LB llutchison.
REfulT PERIOD MARCH 1986 TELEPI D E (509)377-2486
- nmth, year W ITAT 'IYPE THIM ITEK5DR HETFM Uff FUCElf SYSTEN N CAUSE & C0lVtECTIVE ACTION 'l0 fREVENT flECLAVIEN 85-02P 7/1/85 F 0
A 5
CB PUMPXX POWER OUTPUT LIMITED TO 72% DUE TO THE IN0PERABILITY OF "B" RRC PUMP 86-01 3/14/86 F 16.2 G
3 86-003 RB INSTRU REACTOR SCRAMED AT 51% POWER DURING THE PERFORMANCE OF THE AVERAGE POWER RANGE yT MONITORING (APRM) CHANNEL SURVEILLANCE.
THE WRONG APRM CHANNEL WAS INADVERTENTLY PLACED IN A TEST MODE AND LOGIC NOT RESET WHICH SUBSEQUENTLY CAUSED THE SCRAM.
86-02 3/15/86 S 381.7 F
9 UNIT REMAINED OFF LINE DUE TO A LACK 0F POWER DEMAND 86-03 3/31/86 S 24 C
9 q
UNIT ENTERED REFUELING / MAINTENANCE OUTAGE.
$<e 4
c I-l l SLRtlARY l WNP-2 OPERATED AT A REDUCED POWER LEVEL UNTIL THE FORCED OUTAGE OF 3/14/86.
THE PLANT WAS ON RESERVE SHUTDOWN 3/15 THROUGH 3/30 WITH REFUELING & MAINTENANCE OUTAGE STARTING 3/31/86.
TYPE REASDN NETHCD SYSTEM & COMP 0 TENT F-Forced A-Equip Failure
. F-Admin 1-Hanual Exhibit F & H S-f,clxx1 D-Maint or Test G-Oper Error 2-4tanual Scran Instructions for C-Ilerueling H-Other 3-Auto Scram Preparation of D-Rc0ulatory llestriction 4-Continued Data Entry Sheet E-Operator Training 9-Other (LER) File (Nl#1EG-0161) 5-Reduced Load Licensee Event fleport
& License Exanination
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