How integrated controls and LED advancements make emergency lighting smarter, more efficient, and easier to install than ever ...

The crew noticed an indicator light related to the right wing emergency exit, and heard a sound coming from near the right wing, Delta said. They declared an emergency and headed back, landing safely.

Emergency exits ... to poor lighting, exposed wires, crumbling walls or ceilings, loose or broken handrails, and corrosion throughout the network of emergency exit tunnels, tubes, elevated track ...