Source: Simon Hradecky | www.avherald.com

A Gojet Canadair CRJ-550 on behalf of United, registration N535GJ performing flight UA-4168 from Chicago O’Hare,IL to Allentown,PA (USA), was climbing out of Chicago when the crew stopped the climb at FL240 reporting smoke on board and decided to divert to South Bend,IN (USA) where the aircraft landed safely on runway 18 about 15 minutes later.

A replacement CRJ-500 registration N504GJ reached Allentown with a delay of about 4 hours.

The occurrence aircraft is still on the ground in South Bend about 16 hours after landing.