UPS

Investigators zero in on spherical bearing that allegedly weakened an engine pylon.

Complaint is the first filed by surviving family members of the flight’s crew.

Carrier confirms accelerated retirement in fourth-quarter earnings following fleet grounding.

Internal UPS memo suggests it will take months to return the aircraft to service.

Western Global Airlines announces pilot furloughs for its fleet of the planes.

Investigators identify fatigue cracking on left engine pylon lugs in new preliminary report.

Union provides support services and help with accident investigation.

Federal teams are on the scene after the cargo jet went down shortly after takeoff Tuesday from Louisville, Kentucky.

Waiver from international fuel efficiency standards preserves FedEx, UPS access to preferred aircraft model.

UPS has about 292 freighters in its mainline fleet, which is 43 percent smaller than FedEx’s.