ML20129H960
| ML20129H960 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 03/31/1985 |
| From: | COMMONWEALTH EDISON CO. |
| To: | |
| Shared Package | |
| ML20129H951 | List: |
| References | |
| NUDOCS 8506070701 | |
| Download: ML20129H960 (1) | |
Text
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Report Period Mar 1985 UNIT SHUTDOWNS / REDUCTIONS 0
Byron 1 o
mee*****************eeeeee No.
Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 1
3/1/85 F
17.1 A
3 85-024 Turbine trip on initial sync due to DEHC failing to assume minimum load. DEHC adjusted 2
3/2/85 S
20.7 B
1 Turbine tripped for Startup Testing Sequence 3
3/3/85 F
9.4 B
1 Turbine taken off line for balancing after high vibration indications 4
3/4/85 F
20.0 G
3 85-028 Turbine load swings experienced while conducting Turbine Valve Surveillance, Operator i
tripped turbine prior to verifying P-7 permissive cleared.
5 3/6/85 S
9.2 B
1 Turbine tripped for Startup Testing Sequence 6
3/8/85 P
18.4 A
3 85-031 Reactor Trip-Turbine Trip on Low Low Steam Generator Level due to Feedwater Pump Trip 4
7 3/9/85 S
81.5 B
3 Startup Test Sequence (Shutdown from Outside Control Room) a 8
3/14/85 S
361.8 B
3 85-027 Startup Test Sequence (Loss of Offsite Power Test) 9 3/29/85 F
24.0 A
3 85-042 Reactor trip due to dropped shutdown rods due 8506070701 850528 to Logic card fault. Circuit card replaced PDR ADOCK 05000454 l
R PDR cecoceme*****ee 0
Summary Byron completed initial syncronization of generator, continuing Startup Testing Sequence.
ococcome***eme.
TYPE Reason Method System & Component F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H S-Sched B-Maint or Test G-Oper Error 2-Manual Scram Instructions for C-Refueling H-Other 3-Auto Scram Preparation of D-Regulatory Restriction 4-Continued Data E:ntry Sheet E-Operator Training 5-Reduced Load Licensee Event Report
& License Examination 9-Other (LER) File (NUREG-0161)