ML19347B312
| ML19347B312 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 07/16/1980 |
| From: | Asano A, Jay Collins, Conte R, Fasano A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I), Office of Nuclear Reactor Regulation |
| To: | |
| References | |
| PNO-TMI-80-040, PNO-TMI-80-40, NUDOCS 8010140357 | |
| Download: ML19347B312 (1) | |
Text
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PRELIMINARY NOTIFICATION j
I July 16,1980 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-TMI. 80-40 This Dreliminary notification constitutues EARLY notice of events of POSSIBLE safety or public interest significance.
The infomation presented is as initially receive _d_
without verification or evaluation and is basically all that is known by NRC staff on this date.
~
Facility: Metropolitan Edison Company Three Mile Island, Unit 2 Middletown, Pennsylvania Docket Number 50-320
Subject:
PERSONNEL AIRLOCK NO. 2 INNER DQOR STATUS l
At 2:56 p.m., the inner door for personnel airlock No. 2 was successfully opened.
Opening of the door was precluded due to the stuck pin of the AP safety interlock l
which was corrected on July 1,1980, by drilling,a small hole through the door.
I However, upon closure of the door, the seal rings for the door failed a leakage test which was conducted following the test of the door operability.
The seals are of similar design to a Reactor Vessel to Vessel Head 0-Ring Seal Arrangement comprising of an inner and outer seal. The test pressure source is
. applied between the two seals indicating that one or both of the seals ~ are not providing a good mating surface with the door.
Licesee and NRC review of this item continues.
Media interest has been expected because of public sensitivity to TMI related events j
and the licensee plans to issue a press release. The Comonwealth of Pennsylvania has been informed. The.NRC has not made plans to issue :a press release..
The NRC TMI Program Office staff received notification of'this occurrench by monitoring the event as it occurred and this information was current as of 4:00 p.m.
Reporting requiremen
@ ng reviewed by the e
R.J.9onte 590-3950 A. N. Fasano 590-3950 #0. T. Collins 590-3955
Contact:
Distribution:
(Facsimile Transmission Times Noted)
H St' Bldg
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Chairman Ahearne Comissioner Bradford S. J. Chilk, SECY Comissioner Kennedy
'Comissioner Hendrie C. C. Kamerer, CA Comissioner Gilinsky ACRS (For Distribution) l I
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e 8010140 3 6 7 e-
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