1 Maintenance
Alaska DPS had operated and maintained the helicopter for about 10 years since acquiring it new. A review of the helicopter logbooks revealed that, at the time of the departure from ANC, the helicopter had accumulated 2,518.8 hours and 5,179 landings, and the engine had accumulated 2,476.7 hours.
The last inspection that was performed on the helicopter was a 150-hour inspection on March 17, 2013, and the helicopter had accumulated 2,518.8 hours at that time. A certified repair station mechanic at the AST hangar performed the inspection. The helicopter was approved for return-to-service and released for flight. The last 100-hour inspection was performed on October 1, 2012, by the same mechanic who performed the last 150-hour inspection, and the helicopter had accumulated 2,466.4 flight hours at that time.
A review of the helicopter logbook for the last 30 days revealed that all maintenance write-ups had been cleared; there were no open or deferred items. All maintenance was listed as accomplished in accordance with Eurocopter’s maintenance procedures, and the helicopter was returned to service.