ML19276F682
| ML19276F682 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 01/09/1978 |
| From: | Banks H CAROLINA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML19276F678 | List: |
| References | |
| LER-1-77-111, NUDOCS 7904060444 | |
| Download: ML19276F682 (2) | |
Text
M 366 LICENSEE EVENT REPORT a
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9 LICENSEE CODE 14 16 LICENSE NuvBEM 25 26 LicENSt YvrE Jo 57 L A T $8 ERCE d l0l5l0l-10131215 @l1 12 11 lo 17 17 @l0l1l019l7b l@
60 61 DOCKET NUMBE R 68 69 EVENT DATE 74 7b REPORf DATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h M eu hvin-lAfter performine an E.C.C.S. load secuencing ence-diennt gnnnenent received.
The 1
1remotelv secured from the control room when a reverse power alarm wac l diesel generator output breaker was tripped by the control operator and em ke vu 1
Iobserved to be coming from 32D relay. When the cover for the 32D. Directional Power I 1
IRelay, was removed, the relay started to flane and was cytingefehoA bv n roch-icene.
lWhen the diesel generator output breaker door was opened. the diesel lockour enlov l
l l86DB, was also found flaming and was extinguished.
9 COMP.
VALVE SYSTEM CAUSE CAUSE CODE CODE SUBOODE COMPONENT CODE SV8 CODE SUBCODE AIYIXl@ W h (J_jh IElE h (h l Zlh I RI EI L I
9 10 11 12 TJ 18 19 20 SE QUENTI AL OCCURRENCE REPORT Revision LER EVENT YE AR REPORT NO.
CODE TYPE NO.
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33 34 3b 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 'ufring was checked and l
INo cause for the f ailure was dere-innd All enlmv enveral laced. recalibrated. and checked.
Tha PAnF l lfound to be correct. The 32D relay was r The 86DBl l relay coil was replaced, the contacts cleaned, and the relay action checked.
l relay was then installed and recalibrated. The relay circuits were then visually l checked and trip checked.
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LER CONTINUATION -- RO# 1-77-111 Facility:
_BSEP Unit #1 Event Date:
12-10-77 CAUSE DESCRIPTION CON'T.:
A followup check will be made with the relay manufacturer to ensure that this type of relay does not have a history of failures.
If any problems are uncovered, an additional report will be submitted.