A Pegasus Airlines Boeing 737-800, registration TC-CPA performing flight PC-947 from Istanbul Sabiha Gokcen (Turkey) to Zurich (Switzerland), was on approach to Zurich when the crew stopped the descent at about 3700 feet and climbed back to FL090 due to problems with the flaps. The aircraft entered a hold while the crew was workign the related checklists, however, without success. The crew indicated they were preparing for a landing without flaps. The aircraft landed on runway 34 at a higher speed than normal (about 187 knots over ground) about one hour after aborting the first approach, stopped on the runway and requested emergency services to check the aircraft. Emergency services reported seeing no smoke, the aircraft subsequently taxied to the apron.

The aircraft remained on the ground for about 27 hours, then positioned to Sabiha Gokcen and returned to service.