An American Airlines mechanic charged with purposely damaging an aircraft in July during a dispute between the airline and its mechanics union involving stalled contract negotiations will remain behind bars until at least Sept. 20, according to a court filing on Thursday.

The Federal Aviation Administration also disclosed Thursday that it had issued an emergency order earlier this week revoking Abdul-Majeed Marouf Ahmed Alani's mechanic certificate with immediate effect.

Alani was ordered temporarily detained on Friday.