ML19308D254
| ML19308D254 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 06/22/1977 |
| From: | Stewart W FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML19308D249 | List: |
| References | |
| NUDOCS 8002270706 | |
| Download: ML19308D254 (2) | |
Text
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LCENSE EVENT f
LCENSEE i
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NAME LCENSE NUMCEA TYPE TYPE
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(_n l 6 I O l 2 l 7 l 7 l l0 l6 l2 l? ! 7l 7 0 57 LO 09 CU Ut 68 G3 74 73 EVENT DESCTiPTION surveillani 9p l In Mode 1 operation while running the monthly Emergency Diesel Generator test 7 09 gl procedure SP-354, "A" Emergency Diesel Generator failed to start contrary to Technical 7 09 Ql Specification 3.8.1.1.a.
Redundant E=erger.cy Diesel Generator was demonstrated availabli 7 09 Ql and operable.
"'his event was non-repetitive. Tightening of loose injector hold-down 7 09 lElI nuts res tored the " A" Emergency Diesel Generator overable in two (2) hours.
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- pay, (LER 77-55)
'SEE cY$E couPcNENT Coot S
MA 7 L 2 VCMTON Ct7 l El El @
l Xl Xl Xl X] X] Xl lN l l Fl 0 l1 l0 l l Nl 7 69 10 11 12 17 43 44 47 4G CAUSE DESCAtPTION 9
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fuel for l5IS l The cause of this event was loose injector hold-down nuts causing insufficient 7 89
{ l starting. Nuts were tightened and "B" Diesel checked to prevent s1=ilar occurrence.
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% PoWEA oTHER STATUS 350cVEAY oSOcVERY CESCAct:oN
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NA 7 3 9
10 12 13 44 45 40 ACfMfv Co4fENT RELEASto CF RELEA3E AMOUNT of ACTMTV LCCATCN of F ELEASE
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10 11 44 45 j
PERSONNEL EXPCSURES O
NUMBER TYPE oESCAPTCN Q [0{0l0l Wl NA 7 89 11 12 T3 PERSONNEL INJURIES NUMBER oESCRATCN l0l0l0[
l NA 14 7 00 11,12 OFFGITE CONSECUENCES l115l l NA 7 09 LOSS CR DAMAGE TO FAC:UTY TYPT CESCA'PTON ilG l
NA 7 8D 10 PUSLIC!TY 3l NA 7 89 ADOlitONAL FACTORS
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SUPPLEMENTARY INFORMATION (O
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'l 1.
Report No.:
50-302/77-55 2.
F'acility:
Crystal River Unic #3 3.
Report Date:
22 June 1977 4
Occurrence Date:
2 June 1977 5.
Identification of Occurrence:
The "A" Cmergency Diesel Generator failed to start contrary to Technical' Specifica-tion 3.8.1.1.a.
6.
Conditions Prior t,o Occurrence:
Normal Mods 1 ' operation.
7.
Description of Occurrence:
l At 0645 while running the monthly surveillance proceduse on the Emergency Diesel Cenerator Test 3P-354, "A" diesel failed to start for the mechanalysis run.
The Crystal River Unit 1 & 2 Shift Supervisor was immediately' notified of entry into action statement and to perform cable tunnel surveillancs.
Investiga' tion revealed loose injector hold-down ruts which prevented sufficient fuel to start the diesel.
3 The nuts were tightr ned and the "A" Diesel Generator was restored operable in two (2) hours. The injector hold-down nuts on' the "B" Diesel Generator were checked and
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verified tight.
8.
Designation of Appa ent Cause:
The cause of this occurrence is unknown.
9.
Analysis of Occurrence:
There were no safety implications to the plant or general public, as the '!B" Emergency Dies' l Generator was operable and available.
e 10.
Corrective Action:
In addition to tightening the nuts on "A" diesel,' the corresponding nuts on "B" diesel were verified tight. Further, a Work ~ Request has been initiated to re-check at least 50% of the nuts on each diesel the week of 3 July 1977, 11.
Failure Data:
This is the first occurrence of this type.
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