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PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON
Date: 13:02 01/27/2024
Status: Closed
POD: DEN
Callsign: EVA008
Reporting Facility: ZOA
Aircraft: B777
Tail Number:
Operator: EVA
Origin: RCTP
Destination: SFO
New Destination:
Operator Type: Commercial
Paged: YES
REMARKS
Aircraft reported an unidentified aerial phenomenon off the 12 o'clock while E bound at FL370, 450 NM W of SFO. The unknown phenomenon appeared to be dogfighting at approximately FL500. The UAP was not observed on ATC facility radar system.