Source: Simon Hradecky | www.avherald.com

A UPS United Parcel Service Boeing 747-8, registration N612UP performing flight 5X-752 from Louisville,KY to Dallas Ft. Worth,TX (USA) with 3 crew, was climbing through about 3000 feet out of Louisville’s runway 35L when the crew declared Mayday reporting they had a aft cargo fire indication. The aircraft stopped the climb at 4000 feet, the crew advised they also had a smell of smoke on board, requested a left hand pattern back to runway 35L, and landed safely on runway 35L about 15 minutes after departure. The aircraft vacated the runway and stopped on the parallel taxiway for inspection by emergency services. The crew advised emergency service they had had an aft cargo fire indication and a burning odour on board. Following the inspection the aircraft taxied to apron.

The aircraft remained on the ground for about 37 hours before returning to service.