05000368/LER-1979-099-03, /03L-0:on 791205,during Mode 1 Operation,Outer Door of Emergency Personnel Airlock Found Partially Open.Caused by Mechanical Timing Being Out of Synchronization.Adjustments Made & Door Declared Operable

/03L-0:on 791205,during Mode 1 Operation,Outer Door of Emergency Personnel Airlock Found Partially Open.Caused by Mechanical Timing Being Out of Synchronization.Adjustments Made & Door Declared Operable

ML19257B329
Person / Time
Site:	Arkansas Nuclear
Issue date:	01/09/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19257B321	List: 05000368/LER-1979-098-03, /03L-0:on 791205,during Mode 1 Operation,Received Sensor Failure Alarms from Core C Protection Calculator. Caused Not Determined.Core Protection Calculator Program Reloaded & Sys Restored to Operation 05000368/LER-1979-099-03, /03L-0:on 791205,during Mode 1 Operation,Outer Door of Emergency Personnel Airlock Found Partially Open.Caused by Mechanical Timing Being Out of Synchronization.Adjustments Made & Door Declared Operable ML19257B320
References
LER-79-099-03L, LER-79-99-3L, NUDOCS 8001150571
Download: ML19257B329 (1)

LER-1979-099, /03L-0:on 791205,during Mode 1 Operation,Outer Door of Emergency Personnel Airlock Found Partially Open.Caused by Mechanical Timing Being Out of Synchronization.Adjustments Made & Door Declared Operable

Event date:
Report date:
3681979099R03 - NRC Website

text

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NRC FORM 366 U. 5. NUCLE AR REGULATORY COMMIS$10N (7 77)

LICENSEE EVENT REPORT EXHIBIT A CONTROL SLOCa;; l l l l l l l (PLE ASE PRINT OR TYPE ALg REQUIRED INFORMATIONI e

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60 61 DOCnET huwsta 68 63 EVENT DATE 74 75 HE70HT DATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES O'o r5Tf1 1 During Mode 1 operation, the outer door of the Emergency Personnel Airlock, containment penetration 2C2, was found to be a

3 i I partially open. The inner door was immediately verified closed as o

ieisi required by Action Statement T.S.3.6.1.3.a.1, and

containment integrity was maintained at all times.

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