Rotorcraft
North Sea Mishap Sparks More Scrutiny of Sikorsky S-92
Alert Service Bulletin from Sikorsky calls for a special one-time inspection of the tail rotor and bearing assemblies.

The December 28 hard landing of a Sikorsky S-92A on a North Sea oil platform has prompted yesterday's Alert Service Bulletin (ASB 92-64-011) from the manufacturer that calls for a special one-time inspection of the tail rotor and bearing assemblies and a data check of the aircraft's health usage and monitoring system (HUMS).