FAA investigates brief communications outage at air traffic facility responsible for flights at Newark

(CNN) — The Federal Aviation Administration is investigating another radio outage at the troubled air traffic approach control facility responsible for flights approaching and departing Newark Liberty International Airport.

The Newark terminal radar approach control facility, also known as Philadelphia TRACON Area C, experienced a radio outage for approximately two seconds around 11:35 a.m. Monday, the FAA said.

All aircraft remained safely separated and operations are normal, the agency said, adding it is investigating.

The outage comes after the FAA insisted new upgrades to the facility, which moved from Long Island to Philadelphia last July, would blunt new outages. After the May 11 outage, the FAA said a newly installed software patch and a backup line kicked in, though the agency i