To fetch specific event from all domain controllers Security logs

Get-SecurityEvent.ps1

# Get list of all domain controllers
$Dcs = Get-ADDomainController -filter *

#Target last 7 days logs
$StartDate = (Get-Date).AddDays(-7) 

# Can change event ID here
$eventId = 4738

$count = $dcs.count
$i = 0
$EventJobs = @()
$Events = @()

ForEach($dc in $dcs){
    $i++
    Write-Host "Working on $($i)/$($count) $($dc.Hostname)"

    $job = Start-Job -scriptblock {
            Param ($StartDate, $DC, $EventId)
            try{
                Get-WinEvent -ComputerName $Dc.HostName -FilterHashtable @{
                    LogName = "Security"
                    Id = $EventId
                    StartTime = $startDate
                }
            } catch {
                Write-Host "Unable to get logs from $($Dc.Hostname)"
            }
    } -argumentlist $startDate, $Dc, $EventId

    $EventJobs += $Job
}

# Wait for all jobs to complete
$null = $EventJobs | Wait-Job
 
# Collect results from completed jobs
foreach ($job in $EventJobs) {
    $Events += Receive-Job -Job $job
}

$events | Select-Object TimeCreated, Id, Message, ProviderName, LogName, MachineName	|  Export-csv -nti c:\temp\selogs.csv