ML19317F793
| ML19317F793 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 03/11/1975 |
| From: | Colombo R SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML19317F789 | List: |
| References | |
| NUDOCS 8002210556 | |
| Download: ML19317F793 (1) | |
Text
{{#Wiki_filter:UCENSEE EVENT REPORT [ CONTROL BLOCr:l l l l l l ... LEASE PRINT CLL REQUIRED INFIIMATION) 1 6 ME UCENSE NUMBER TY l Cl A l R l S l S l Il l 0l0 l-l 0 l 0 l 0l 0l 0l-l0 l 0 l l 4 l 1 l1 l1l 1l l0l1l 1 7 89 14 15 25 26 30 31 32 YPY NN CoCKET NUMBER EVENT CATE REPORT DATE CATECORY C 1 CON'T lP l Ol W l Ll l 0l5 l0 l-l 0 l 3 l 1l 2l l 0l 2l1 l 2 l 7 l 5 l l 0l3 l1 l1 l7 l 5 l 7 8 57 58 59 60 61 68 69 74 75 80 E/74T DESCRIPTION H5 b uring steady state operation at 92% full power, the Turbine / Generator tripped when an l, 7 89 80 O l overspeed trip relay falsely became de-energized. The feedback to the reactor in-ll-{ 7 89 60 $ l creased the pressure to 2375 psig and trioped RPS oressure channels A,B and C. -Channed 7 89 60 @ l D did not trip. (AO-75-3). l-7 89 80 - DE I I 2 7 8D 80 pnus SYSTEM CAUSE CCMPONENT J MPCNENT COCE CCCE COMPONENT CCCE SUPPUER MANUFACTUPER VOLATCN O lIl Al [E_] lI l N l S l Tl RI Ul lLl lWl1l2l0l l Nl 7 89 10 11 12 17 43 44 47 48 j CAUSE DESCR;PTION 0 0 l The calibration data for the pressure transmitter was checked against the original J. 7 89 50; 09 l snecification and was found to have drif ted. The transmitter was ramoved frem service l 7_89 C0
- ?} b.,,* re laced with a new unit.
The out of soecification transmitter will be returned l7 B9 t,o,,,,t,@,e f actory for resolution of the progg y GO j STATUS % POWER QTNER STATUS 0:SCOVERY DISCOVERY DESCAFCN [Ej l 0l 9l2 l l NA l l NA l 1 7 8 9 10 12 13 44 45 46 eO ACTivrry C0 STENT RfLEASED OF CELEASE l AMOUNT CF ACTMTY LoCATCN CF RELEASE i' [,,Zj NA l l NA l l 1E lZ l 7 8 9
- O 11 44 45
&J PERSONNEL EXPOSURES NUMBER TYPE DESCR:PTON E l0lo10l [zj l NA l 7 89 11 17 13 80 PERSONNEL INJURFES NUMBER CESCEPTON 8 1 01 0101 1 NA j 7 89 11 12 60 OFF51TE CONSECUENCES 1 l NA l_ 7 89 80 - LOSS OR OAMAGE TO FAC:LITY l-TYPE DESCAPTON Q (Zj l NA l. 7 89 10 80 PUBUCITY Q l Sacramento Bee and Union notified February 14, 1975 l $I 7 89 60 g I f3~d AOCITIONAL FACTOR I 8002210 l__ 83 60 8I l_l l 7 89 60 Ronald W. Colocbo .- PHONE:(916) 452-3211 NAME. GPO 808 447 .}}