ML19262A173

Forwards Nonroutine 30-Day Rept 74-02

ML19262A173
Person / Time
Site:	Three Mile Island
Issue date:	01/15/1975
From:	Arnold R METROPOLITAN EDISON CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I), US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML19262A174	List: ML19262A173 ML19262A181
References
NUDOCS 7910260499
Download: ML19262A173 (2)

Text

.

.- AEC C:STRIBUTIC' Pott ?!.RT M CCCKET .i ATDil AL (T E .".F O,~, A R'( F O R T.:)

553 CONTROL NO: six FILE: IrCIDENT eEror D ATE R E C'D LTP T'/!X ' R P T CTHE, F RO:.1petroplitan Edison Co. DATE CP CCC '

Reading, Pa R.C. Arnold 1-15 -75 1-17-75 xxx CC GTHER SENT AEC PCR xxnx TO: ORIG SENT LCCAL POR vvvv Directorate of Licensing 1-signed UNCLASS ' PROP 17;FO it:PUT NO CYS REC'D DOCKET.0: .

CLASS xxxx 1 50-289 DESCRi?TiCN- ENCLCSURES:

Ltr reporting abnornal occurrence #74-02 on - Abnormal Occurrence #74-02 on 12-16-74 12-16-74 trans ..... concerning deficiency of design of the AC Control Rod Drive, System Trip Breaker Cabinets......

D

• f9 'D VD '3 c h N -- a PL ANT N AT.1E: Three Mile Island #1 FOR ACT::::':::F O R '.: A T; C ;; 1-20-75 Jca EUTLER (S) SCITJE:;CER (S) ZIEM/JCI (S) REGMi (E)

W/ Copies W/ Copies W/ Copies W/ Copies CLARK (S) STOLZ (S) DICIIR (E) 1 (S)

W/ Copies W/ Copfes W/ Copies W/pCopies PARR (S) VA$S ALIA (S) KNIGHTON (E) SPEIS (S)

W/ Copics W/ Copies W/ Copies W/ Copies f ICilEL (S) PURPLE (S) YOUNGBI MD (E)

W/ Copies ~~ W/ Ccpies W/ Cop'es W/ Cooies INTER :AL D.;TiMCUTlC n -

A/T IND DF'; TON LIC . ASST .

G.EdFILg] TECH REVIEW GRIIIS DIGGS (S) ERAIT:'AN c . s._ u zo *$Ci!RCEDER t bGC , RCCM P-306-A diACCARRY GA>0ILL GE/2IN (S) S ALTZMaN d.;ASTNER '

GCUL30URNE (S) B. liURT LDJ'trCING/ STAFF (5.:2!IGHT 4&ASE L'iA'4LICKI LALLARD KREUTZER (E) tfi'4!.0 SPASGLER LEE (S) PLA.S GI4:3USS0

• ATELLO MAIGRET (S) MCCONALD BOYD ENVIRO REED (E) CHAPMA':

MCORE (S) (E'.;R) dciOUSTON NCVA'; MULLEP. SERVICE (S) DU3E w/ir.put DEYOUNG (S) (FWR) E. COUFE DOSS DIC12R SHEPP/2D (S)

SKOVl:0LT (S) t/D. TEOMPSON (3)

GOLLEP. (S) dIPPOLITO K';IG h7 0 5 SLATER (E)

YOUNGLLCOD SMITH (S) YKLECCER P. COLLINS TEDESCO DENISE dLONG REGXi TEETS (S) /F WILLI!E REG CPR dAINAS PROJECT LDR WILLIN'S (C)

I.;ENAROYA WILSON (S) t9ILE & REGION C)

/2.R. WILSON VSTEELE EVOLI'ER HARLESS IUURAM (S)

'. E xi E F'. '. . m s!-': E u T:c ' '7 3 V pA (1)(2)(10)-;.ATIONAL LA25 1-PDR S AN/!.A/:7/

d-LCC AL PDR ts:n--4 one- 1-BR00 LJ/E'. MAT Lfa N -TIC ( ASERNATHY) 1-U E::I7'; TON, RM E-201 G.T.

td-NSIC (EUCH.UTX;) 1-CCNSULTJ::!:: 1 G. UL11NIC:. , 02:',

1-ASL3 1.IWMARK/SLC2/ /' 3A31x' 1 AO:2D(nr. GUss m 3* ION A';DERSON y }h RM E-127 0.T.

1-J. RUNRLES, RM E-2:

-ACRS SEN* TO LIC, ASST.( g h G.T.

7 U026o g y

~~

ifMJ 7 n.:

n. .r n.oro me **xorss METROPOLITAN EDISON COMPANY PCST CFFICE SCX 542 RE ACING. PENNSYLV ant A 19603 TELEPHCNE 215 - 9 3 601

- A 1 5 575

, ~;-~. _

f 9 ,m, Directo r

/xy ,' s Directorate of Licensing ,

U. S . Atomic Energy Comission /gf fj-[. ', ,

'4ashington , D.C . 20545  %/ 7y '

~~

J Mr. J . P . O'Reilly , Director g

'9; bl{,/~ kg. -

6; Directorate of Regulatory Operations-Region 1 ,

U. S . Atomic Energy Comission  % '

631 Park Avenue ,

King of Prussia, Pennsylvania 19406 h'7-N..,

Dear Sirs :

Docket No. 50-289 Operating License No. DPR-50 Nonroutine 30-Day Report 74-02 In accordance with the requirements of 6.7.2.b of the Technical Specifications for our Three Mile Island Nuclear Station Unit 1 (TMI-1) , we are submitting this nonroutine 30-day report. The report deals with a deficiency of design of the AC Control Rod Drive System Trip Breaker Cabinets which was deternined to exist on December 16, 1974, as a result of discussions with the vendor and archi te ct-engine e r.

'de trus t that this submittal satisfies the reporting requirements referenced above and adequately answers any concerns you may have .

Sincerely, n- I -l

. i Vice President RCA:RSB :tas Enclosure : Nonroutine 30-Day Repe rt 74-02 File: 20.1.1/7.7.3.6.1 }4h 55'