ML11243A060

Notification Nn 200960823

ML11243A060
Person / Time
Site:	San Onofre
Issue date:	06/10/2010
From:	- No Known Affiliation
To:	Office of Information Services
References
FOIA/PA-2011-0157
Download: ML11243A060 (5)

Text

.1 Unit 2 System Status: OSNO OSTS User Status:

CRTD Notification:

NN 200960823 it IIIIIIIIIIIIIIIIIIIII III1

==

Description:==

debris partially blocking exhaust path Created on: 06/10/2010 Reported By:

Responsible:

Priority:

Required Start: 06/10/2010 04:40 End:

Order No:

Code:

Task Exists?

(Y)

Func.Loc.: S2.EDGS.2G002 DIESEL GEN UNIT 2 TRAIN A Equipment:

Assembly:

Quality Class: II Location:

DG Room:

Elevation:

Column:

Planner Group: Maint Electrical WorkCenter: ME Maint. Electrical Plant: 1000 SONGS - Services Reliability Classification: CRITICAL-A ARC Review Status: A Awaiting review Feedback Req'd? []

M Rule:

Sig Level:

Breakdown [J Malfunction Start:

Breakdown Duration:

H End:

==

Description:==

06/10/2010 04:40:37 (b)(6)

/ 1. Problem description

/ Large pieces of debris have fallen onto the grading in the unit 2 A diesel exhuast path, partially blocking it, restricting air flow. It is in the SE quadrant of the room, at the same level of the roof.

/

/ 2. Impact or consequence

/ Possible slight loss of heat dissipation.

/

/ 3. Describe what happened

/

/ 4. Immediate actions taken

/

/ 5.

Cause (if known)

/

/ 6.

Recommended Actions

/

Print Date: 06/10/2010 Page 1 of 5

/

-I Task Summary SON(;S Notification:

NN 200960823 Func.Loc.: S2.EDGS.2G002 DIESEL GEN UNIT 2 TRAIN A Location: DG Room:

Elevation:

Column:

Sort No.;

0001 Code Group:N-TS-IOD Immediate Operability Determination Short Text: see long text Task Code: NO10 IOD-CREATED WorkCenter:

Responsible:

Print Date: 06/10/2010 Page 2 of 5 J

Trending Worksheet SONGS Notification:

NN 200960823 Func.Loc.: S2.EDGS.2G002 DIESEL GEN UNIT 2 TRAIN A Part:

Damage:

Cause:

Activity; Part:

Damage:

Cause:

Activity:

Part:

Damage:

Cause:

Activity:

Part:

Damage:

Cause:

Activity:

Print Date: 06/10/2010 Page 3 of 5 Print Date: 06/10/2010 Page 3 of 5

-j Task Details SONG;S Notification:

NN 200960823 Func.Loc.: S2.EDGS.2G002 DIESEL GEN UNIT 2 TRAIN A Location: DG Room:

Elevation:

Column:

Sort No.:

0001 Code Group: N-TS-IOD Immediate Operability Determination Short Text: see long text Task Code: N010 IOD-CREATED WorkCenter:

Responsible:

Status:

TSRL Planned Start:

Planned End:

Complete:

Task Long Text:

NOTES:

1) Parts 1 through 4 will be completed by the STA.

2) Part 5 may be completed by Operations (STA) or Engineering (Responsible Engineer) when the SSC has been restored to a fully qualified status. IOD (Immediate Operability Determination)

This is an Immediate Operability Determination (IOD).

1. Deficiency Identified and the Affected Functional Location:

2.

Identify the Specified Safety Function(s); include mission time (if applicable):

3.

==

Conclusion:==

Determine OPERABLE/INOPERABLE Operable Inoperable Basis (provide discussion):

4.

Extent of Condition Print Date: 06/10/2010 Page 4 of 5 Print Date: 06/10/2010 Page 4 of 5

Task Details Continued SONGS Notification:

NN 200960823

==

Description:==

debris partially blocking exhaust path NOTE: Address the question: "Does the degraded or nonconforming condition currently exist on the other train/unit?"

a) Has an EOC Task been created to address the extent of condition (YES or NO)?

b) If no EOC Task has been created, describe "other train/other unit" findings (if performed) or indicate N/A (if not necessary).

5.

IOD Closure Information I Print Date: 06/10/2010 Page 5 of 5 Print Date: 06/10/2010 Page E of S