PORTLAND, Ore. » The Port of Portland in Oregon says a Delta flight to Salt Lake City returned to Portland International Airport after experiencing engine trouble.

Airport data shows Flight 1881 departed at 6:10 a.m. today and landed without incident about an hour and 20 minutes later.

A Delta spokesman tells KGW-TV that the Boeing 757 was carrying 169 passengers and six crew members.

The airline says the pilots decided to return after receiving an indication that there was a problem with one of the plane’s two engines.

Delta says customers were given refreshments and will be placed on alternate flights. Maintenance crews were evaluating the aircraft.