SAS B736 at Amsterdam on Jul 14th 2014, could not retract nose gear

A SAS Scandinavian Airlines Boeing 737-600, registration LN-RPS performing flight SK-828 from Amsterdam (Netherlands) to Oslo (Norway), was climbing out of Schiphol Airport's runway 24 when the crew reported they had indication the nose gear was not up. The crew stopped the climb at FL190 and returned to Schiphol for a safe landing on runway 27 about 25 minutes after departure.