ML20210V077

Revised MORs for July 1997 for SONGS

ML20210V077
Person / Time
Site:	San Onofre
Issue date:	07/31/1997
From:	Williams C SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML20210V070	List: ML20210V067 ML20210V072 ML20210V077
References
NUDOCS 9709230020
Download: ML20210V077 (2)

Text

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C 9

REVISION USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 Date: August 1997 July 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 2 of 3 i-UNI' AJTDOWNS AND POWER REDUCTIONS NumberW sd$sedsd W W *atts "

3%10th4 9dW .

Date - June 29,1997 Type ($li 'inNfWT* ' @ W , WA * **' iMif% % M (Forced) M ^

• Duration (1) 370 hours0.00428 days <br />0.103 hours <br />6.117725e-4 weeks <br />1.40785e-4 months <br /> l AttedAW$MMR edha?*Tiiks ^

• MW. ' 4dh&A M Teture)$i&~C Method of shutting down reactor (3) 4 (continuation) iLER NsP$tef!MMMW M% men ser ? ' ekstehd207010h s@f' .

System Code (4) CB rh--aa wgCode ($)M@p " i ega x , 2 fS 3,@ygyp agypesyg Charging check valve MUO21 was stuck closed due to design defect.

Cause and corrective action to prevent recurrance

, Valve replaced with a valve without desian defect.

(1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Expir'n)

B-Maintenance or Test C-RefuelinD D-Reguietory Restriction E-operator Training & License Eneminehon F-AdmirMrettvo G-operational Error (Exnisin)

H-other (Expiem)

(3) Method 1-Manuel 2-Manuel Scram 3-Automatic Scram 4 Continuation from Previous Month 5-Reduction in the Average Deily Power Level of more then 20% from the previous day 6 other (Explain)

(4) lEEE Std 8061964

- (5) IEEE Std 803A-1983 9709230020 970915 PDR ADOCK 05000361 R PDR

9 0 D . .

1 REVISION USNRC MONTHLY OPERATING REPORT Docket No: 50 362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: August 1997 July 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS NR w < #981NW ' e m E NumberMea Wkte:; 95 -

>v 'ap , ,e Date April 12,1997 T)pe(1)%n@HMM: N MAPE m s

• 4 8s M d " ,^ ? " i C V E M wet

^

Duration (Hours) 483 l Meeson.(2)$tm#@% e ~ b'#M ' '

W es

• C C(RefueNngM iWF+ <

Method of shutting down reactor (3) 4 (Continuation)

W NoK r9M< @% Wee . . Ev' MBEN' '

? MydWAief*"!$se n a System Code (4) N/A ComponentCode(5)Mk n m x W 7WAh '%!% -

Cause and corrective action to prevent recurrence N/A (1) F. Forced s scheduled (2) Reason: A-Equipment Failure (Expit!n)

B-Memtenance or Test C-Refueling D-Regulatory Restrichon E. Operator Trainmg & License Exemnahon F-Administrative GAwetional Enor(Explem)

H-Other (Explain)

(3) Method 14 Annual 24 Annual Scram

3. Automatic Scram 4 Continuation from Prov40us Month 5-Reduction in the Average Deily Power Level of more -

then 20% from the previous day (Lother (Explain)

(4) IEEE Std 8061964 (5) IEEE Std 803A-1983

,