ML20211P095

Followup Ro:In Jan 1987,during Surveillances,Fire Doors Found Inoperable.Caused by Latching Mechanism & Closure Mechanism Failures.Fire Watches Established & Failures Corrected.Feb 1987 Followup Rept Will Be Issued by 870316

ML20211P095
Person / Time
Site:	San Onofre
Issue date:	02/12/1987
From:	Morgan H SOUTHERN CALIFORNIA EDISON CO.
To:	Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
TAC-54814, TAC-54815, NUDOCS 8703020290
Download: ML20211P095 (3)

Text

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Southem Califomia Edison Company Iq3] f[g l~} p lg g SAN ONOFRE NUCLEAR GENERATING STATION REGl0H y rO oOx 2.

SAN CLEMENTE. CALIFORNIA 92672 H.E. MORGAN TELEPHONE February 12, 1987 U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region V 1450 Maria Lane, Suite 210 Walnut Creek, California 94596-5368 Attention:

Mr. J. B. Martin, Regional Administrator

Subject:

Docket Nos. 50-361 and 50-362 Follow-up Report, Inoperable Fire Doors - January 1987 San Onofre Nuclear Generating Station, Units 2 and 3

Reference:

Letter, H. E. Morgan (SCE) to J. B. Martin (NRC),

dated January 12, 1987 In accordance with our referenced letter, this submittal provides the follow-up report of Technical Specification fire-rated assemblies (specifically fire doors) found inoperable during routine surveillances in January 1987.

1 Fire doors found inoperable during the January routine surveillances are identified in the Attachment and include: 14 latching mechanism failures, 9 closure mechanism failures, and 1 door blocked open. As each of these i

deficiencies was identified, compensatory fire watches, pursuant to Technical l

Specification 3.7.9, Action Statement 'a', were established. Door mechanism failures are being corrected on an "as found" basis.

The responsible party was not identified for the 1 door found blocked open.

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D703020290 870212 PDR ADOCK 05000361

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S PDR 2L I,i L

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 February 1987 will be submitted by March 16, 1987.

If you require any additional information, please so advise.

Sincerely, U$W

Enclosure:

F. R. Huey (USNRC Senior Resident Inspector, Units 1, 2 and 3) cc:

U. S. Nuclear Regulatory Commission Document Control Desk Institute of Nuclear Power Operations (INPO)

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ATTACHMENT SOUTHERN CALIFORNIA EDISON COMPANY INOPERABLE FIRE D0 ORS FOR THE MONTH OF JANUARY 1987 SAN ONOFRE NUCLEAR GENERATING STATION UNITS 2 AND 3, DOCKET NOS. 50-361 and 50-362 I.

Latching Mechanism Failures:

Number of doors inoperable - 14, as follows:

Door Number Inoperable Operable AR-502 11/16/86 AC-417 12/09/86 01/29/87 AR-508 01/01/87 01/08/87 C2-406 01/01/87 C3-406 01/03/87 FH2-103 01/05/87 AC-344 01/06/87 01/14/87 AR-301 01/10/87 01/31/87 AC-105 01/10/87 01/26/87 AC-213 01/17/87 01/27/87 AC-459 01/23/87 AC-349 01/24/87 AC-326 01/29/87 AC-335 01/29/87 II. Closure Mechanism Failures:

Number of doors inoperable - 9, as follows:

Door Number Inoperable Operable C2-406 01/01/87 C3-406 01/03/87 AC-344 01/06/87 01/14/87 AC-112 01/08/87 01/09/87 AC-417 01/26/87 01/29/87 AC-455 01/26/87 01/30/87 AC-349 01/27/87 AC-326 01/29/87 AC-335 01/29/87 III. Doors Blocked Open:

Number of doors blocked open - 1, as follows:

Door Number Date Found Blocked Open

• AR-105 01/15/87

• (Fire watches established within one hour)

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