ML20215N079
| ML20215N079 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 10/10/1986 |
| From: | Morgan H SOUTHERN CALIFORNIA EDISON CO. |
| To: | Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| NUDOCS 8611040251 | |
| Download: ML20215N079 (3) | |
Text
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' SAN ONOFRE NUCLEAR GENERATING STATION P.O. BOX 128 SAN CLEMENTE, CALIF 0FtNIA 92672 H.E. MORGAN.
TELEPHONE
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October 10,f1986 U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region V w
1450 Maria Lane, Suite 210 Walnut Creek, California 94596-5368
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Attention:
Mr. J.
B.~ Martin, Regional Administrator y
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Dear Sir:
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Subject:
Docket Nos. 50-361'and 50-362 Follow-up Report, Inoperable Fire Doors - September 1986 San Onofre Nuclear Generating Station,. Units 2 and 3
Reference:
Letter, H. E. Morgan-(SCE) to J. B. Martin (NRC),
dated September 12, 1986 In accordance with our referenced letter, this submittal provides the follow-up report of fire-rated assemblies (specifically fire doors) found inoperable during routine surveillances in-September 1986.
Fire doors.found inoperable during the' September routine surveillances are identified in the Attachment and include: 13 latching mechanism failures, and 2 closure mechanism failures. No doors were found blocked open in September.
As each of these deficiencies was identified, compensatory fire watches, pursuant to Technical Specification 3.7.9, Action Statement 'a', were established. Door mechanism failures are being corrected on an "as found" basis.
8611040251 861010 PDR ADOCK 05000361 F
PDR fW
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Mr. J. B. Martin This monthly follow-up report and those sent previously provide-updated information associated with an ongoing condition initially reported in 1983. The follow-up report covering inoperable fire doors identified in October 1986 will be submitted by November 17, 1986.
If you require any additional information, please so advise.
Sincerely, bb m
Enclosure:
cc:
F. R. Huey (USNRC Senior Resident Inspector, Units 1, 2 and 3)
U. S. Nuclear Regulatory Commission Document Control Desk Institute of Nuclear Power Operations (INP0)
ATTACHMENT SOUTHERN CALIFORNIA EDISON COMPANY INOPERABLE FIRE DOORS FOR THE MONTH OF SEPTEMBER 1986 SAN ONOFRE NUCLEAR GENERATING STATION UNITS 2 AND 3, DOCKET NOS. 50-361 and 50-362 I.
Latching Mechanism Failures:
Number of doors inoperable - 13, as follows:
Door Number Inoperable Operable AR-305 02/22/86 09/29/86 AR-509 08/01/86 09/03/86 AR-502 08/24/86 AC-417 08/29/86 09/04/86 AC-236 09/04/86 09/06/86 AC-236 09/11/86 09/18/86 FH2-103 09/11/86 AR-301 09/16/86 09/18/86 AC-341 09/16/86 09/17/86 AC-123 09/16/86 09/29/86 AC-328 09/18/86 DG3-103 09/19/86 09/26/86 AC-223 09/20/86 09/22/86 II.
Closure Mechanism Failures:
Number of doors inoperable - 2, as follows:
Door Number Inoperable Operable AC-349 09/12/86 09/19/86 FH2-103 09/16/86 09/21/86 III. Doors Blocked Open:
Number of doors blocked open - None I
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