05000302/LER-1977-158-03, /03L-0:on 771227,3B Emergency Diesel Generator Failed to Start During Monthly Surveillance Test SP-354. Caused by Foriegn Matter Preventing Governor to Function Properly.Servo Booster Cleaned & Tested
| ML19308D388 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 01/17/1978 |
| From: | Stewart W FLORIDA POWER CORP. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML19308D383 | List: |
| References | |
| LER-77-158-03L, LER-77-158-3L, NUDOCS 8002270838 | |
| Download: ML19308D388 (2) | |
| Event date: | |
|---|---|
| Report date: | |
| 3021977158R03 - NRC Website | |
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EV(Nr otsCAlPTIoN ANo PMc8ASLL CONSEQUENCE 5 to g In mode 1 operation, while part g the Monthly Diesel Test 'Surve111anca,
o g, Procedure SP-354, the "3B" emergency diesel generator failed to start t
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No safety implications as redundant "3A",
Cable Tunnel Surveillance, m, diesel generator available and operable.
SP-322 and Breaker Verification SP-321, performed and "3B" emergency diesel This is the g, generator restored operable at 1839 on 27 December 1977.
third occurrence of this event.
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n-SUPPLEMENTARY INFORMATION Report No.:
50-302/77-158/03L-0 2.
Facility:
Crystal River Unit #3 3.
Report Date:
17 January 1978 4.
Occurrence Date:
27 December 1977 5.
Identification of Occurrence:
The "3B" emergency diesel gene::ator failed to start contrary to Technical Specification 3.8.1.1.b.
6.
Conditions Prior to Occurrence:
Mode 1 power operation.
7.
Description of Occurrence:
At 0705, while redng the Monthly Emergency Diesel Generator Surveillance I
Procedura, SP-354B, "3B" emergency diesel generator failed to start for the 3
mechanalysis run. The Crystal River Units 1 & 2 Shift Supervisor was notified of entry into the 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Action Statement of Technical Specification 3.8.1.1 and to perform the Cable Tunnel Surveillance SP-322.
The Breaker Verification Surveillance SP-321 was initiated and the operability of "3A" emergency diesel generator was verified. Maintenance Work Request 0-5874 was initiated and the "each 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />" surveillance requirement was met until the "3B" emergency diesel was resnored operable at 1839 on 27 December 1977.
8.
Designation of Apparent Cause:
Maintenance revealed that foreign matter in the governor was the cause of this event.
9.
Analysis of Occurrence:
There were no safety implications to the plant or general public, as the "3A" emergency diesel generator was available and demonstrated operable.
10.
Corrective Action
No corrective action taken as cleaning of.the governor restored "3B" diesel generator operable.
"3A" diesel governor was inspected and the oil for both diesels was changed.
11.
Failure Data:
This is the third occurrence of this event as reported by LER's 77-94 and 77-128.
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