ML19308D086
| ML19308D086 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/08/1977 |
| From: | Stewart W FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML19308D083 | List: |
| References | |
| NUDOCS 8002270584 | |
| Download: ML19308D086 (2) | |
Text
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Failure of the outboard pump bearing.
Bearing was renewed and operability restored.
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1 SUPPLEMENTARY INFORMATION 1.
Report No.:
50-302/77-65 2.
Facility:
Crystal River Unic #3 3.
Report Date:
3 July 1977 4.
Occurrence Date:
16 June 1977 5.
Identification of Occurrence:
Failure to have two emergency feedwater pumps available and operable from two independent power sources contrary to Technical Specification 3.7.1.2.b.
6.
Conditions Prior to Occurrence:
Mode 1 power operation.
7.
Description of Occurrence:
During manual operation of the steam driven emergency feedwater pump the outboard pump bearing failed. The pump was removed from service and the 3
twelve hour Technical Specification Action Statement was entered at 1655.
Repairs were initiated and the steam driven emergency feedwater pump was returned to manual operation at 0010~ 17 June 1977.
8.
Designation of Apparent Cause:
Failure of the pump outboard bearing.
i 9.
Analysis of Occurrence:
There were no adverse safety consequences resulting from this occurrence as the motor dri9en emergency feedwater pump was available and operable.
10.
Corrective Action:
None required as bearing failure ' attributed to normal wear.
11.
Failure Data:
l~
The inoperability of the steam driven emergency feedwater pump is repetitive.
First occurrence of bearing failure.
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