Firefly AT72 at Penang on Apr 24th 2014, could not fully retract landing gear

A Firefly Avions de Transport Regional ATR-72-212A, flight FY-1002/MH-9948 from Penang to Khota Baru (Malaysia) with 64 passengers and 4 crew, was climbing out of Penang when the crew selected the gear up but one of the gear struts refused to retract. The crew stopped the climb and returned to Penang for a safe landing about 15 minutes after departure.

The flight reached Khota Baru with a delay of 2 hours.