Nepal B752 at Kuala Lumpur on May 2nd 2014, engine vibrations

A Nepal Airlines Boeing 757-200, registration 9N-ACB performing flight RA-416 from Kuala Lumpur (Malaysia) to Kathmandu (Nepal) with 53 people on board, was climbing out of Kuala Lumpur when the crew decided to stop the climb at FL280 and to return to Kuala Lumpur due to vibrations of the right hand engine (RB211). The aircraft landed safely about one hour after departure.

The airline confirmed vibrations in the right hand engine. The aircraft had just come out of the C-Check in Singapore.