What was found
THE PILOT WAS COMPLETING A REVENUE FLIGHT FROM MHT TO RUT. HE STATED THAT WHEN APPROACHING RUT HE HAD 3 GREEN LIGHTS BUT THE HYDRAULIC PRESSURE DROPPED, THE LANDING GEAR BREAKER POPPED AND HE DIDN’T FEEL THE GEAR HAD FULLY EXTENDED. HE DID NOT DECLARE AN EMERGENCY. THE PILOT PERFORMED A FLYBY AT RUT AND GROUND MAINTENANCE REPORTED TO HIM THAT THE NOSE GEAR WAS NOT FULLY DOWN. HE USED THE EMERGENCY HAND PUMP TO SUCCESSFULLY COMPLETE THE GEAR EXTENSION.
THE PILOT LANDED WITHOUT INCIDENT ON RUNWAY 31 AT RUT. THE AIRCRAFT WAS FERRIED (GEAR DOWN) TO ITS MAINTENANCE BASE AT MHT THE SAME DAY, WHERE THE LANDING GEAR HYDRAULIC POWER PACK MOTOR WAS CHANGED AND THE AIRCRAFT PLACED BACK IN SERVICE.
THE FAILED MOTOR WAS INSTALLED ON 10/28/2020 AND HAD 323.2 HRS AND 431 LANDINGS SINCE OVERHAUL. OVERHAUL IS DUE AT 10,000 LANDINGS.