View source for AECM-84-0464, Interim Part 21 & Deficiency Rept Re Potential Defect in Spare Piston Skirt Casings.Util Awaiting Outcome from Tdi. Reportability Still Indeterminate for Unit 2.Updated Rept Will Be Submitted by 850126.Part 21 Applicable to Unit 1

{{Adams
| number = ML20093L491
| issue date = 10/05/1984
| title = Interim Part 21 & Deficiency Rept Re Potential Defect in Spare Piston Skirt Casings.Util Awaiting Outcome from Tdi. Reportability Still Indeterminate for Unit 2.Updated Rept Will Be Submitted by 850126.Part 21 Applicable to Unit 1
| author name = Dale L
| author affiliation = MISSISSIPPI POWER &amp; LIGHT CO.
| addressee name = Oreilly J
| addressee affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION II)
| docket = 05000416, 05000417
| license number = 
| contact person = 
| case reference number = REF-PT21-84-505-000
| document report number = AECM-84-0464, AECM-84-464, PT21-84-505, PT21-84-505-000, TAC-52411, NUDOCS 8410190024
| document type = DEFICIENCY REPORTS (PER 10CFR50.55E &amp; PART 21), TEXT-SAFETY REPORT
| page count = 1
| project = TAC:52411
| stage = Other
}}

=Text=
{{#Wiki_filter:MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi M                  P. O. B O X 164 0, J A C K S O N, MIS SIS SIP PI 3 9 2 0 5 oer5,$9b7 NUCLEAR LICENSING & 1AFETY DEPARTMENT U.S. Nuclear Regulatory Commission Region II 101 Marietta St. , N.W. , Suite 2900 Atlanta, Georgia 30323 Attention:       Mr. J. P. O'Reilly, Regional Administrator

==Dear Mr. O'Reilly:==

==SUBJECT:==
Grand Gulf Nuclear Station Unit 1 and Unit 2 Docket No. 50-416 and 50-417 License No. NPF-13 File: 0260/L-835.0 PRD-84/06, Interim Report for Unit 2, Potential Defect in Spare Piston Skirt Casings AECM-84/0464 Per the referenced letter, Mississippi Power & Light Company (MP&L) provided a 10CFR21 Report for Grand Gulf Nuclear Station (GGNS) Unit 1 and reported that reportability for Unit 2 was indeterminate at the time. The deficiency concerned improper heat treatment for certain spare TDI piston skirt casings. This letter prcvides a status update for the Unit 2 evaluation for reportability of this item under 10CFR50.55(e).
MP&L is currently awaiting outcome from the Transamerica Delaval, Inc.
(TDI) Diesel Generator Owners Group concerning this problem and other problems related to TDI Diesel Generators. Reportability for GGNS Unit 2 is still indeterminate. MP&L expects to submit an update for Unit 2 by January 26, 1985.
Yours truly, p  L. F. Dale
                                                              . Director EBS/SHH:rg cc:   Mr. J. B. Richard
,f'                   Mr. R. B. McGehee                                                                       ,
Mr. N. S. Reynolds                                                                      l Mr. G. B. Taylor l                      Mr. Richard C. DeYoung, Director Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 OFHCIAL M 'Y
                                                                                         \ b 6            Wember Middle South Utilities System 8410lf0g4 PDR A O 0
PDR                                                                fg s                                                                                           _}}