N420KV

ATA 2210

ON 1/23/2026 N420KV CYO420 WAS DEPARTING KORL AND WHILE THE AIRCRAFT WAS CLIMBING WITH THE AUTOPILOT ENGAGED, THE CAPTAIN REPORTED THE PITCH CONTROL WAS UNSTABLE. THE CONTROL COLUMN WAS MOVING BACK AND FORTH AND WOULD STOP WHEN AUTOPILOT WAS DISENGAGED. THE TRIP CONTINUED AT A LOWER ALTITUDE WITH AP DISENGAGED AND LANDED SAFELY AT KJAX. LOCAL MAINTENANCE WAS CALLED TO TROUBLE SHOOT THE AUTO PILOT PITCH SYSTEM. IT WAS DETERMINED THAT THE PITCH SERVO WAS THE ISSUE. THE SERVO WAS REPLACED AND A GROUND TEST COMPLETED - NO DISCREPANCIES NOTED. ALL AUTOPILOT SYSTEM FUNCTIONS WERE NORMAL. A REPOSITION/TEST FLIGHT WAS COMPLETED WITH ALL AUTOPILOT FUNCTIONS REPORTED TO BE NORMAL.

ATA 3260

DEPARTING KLBE, THE CAPTAIN OF N420KV REPORTED THE NOSE GEAR UNSAFE LIGHT WOULD NOT EXTINGUISH WHEN THE GEAR WAS RETRACTED. THE CAPTAIN CYCLED THE GEAR AND THE LIGHT REMAINED ON. THE CAPTAIN ELECTED TO DIVERT INTO KPIT. ON DECENT INTO KPIT, THE LIGHT EXTINGUISHED. NO MAINTENANCE WAS AVAILABLE TO ADDRESS THE ISSUE, THE AIRCRAFT WAS REPOSITIONED INTO KMMU WHERE MAINTENANCE WAS AVAILABLE TO JACK THE AIRCRAFT AND SWING THE GEAR. THE AIRCRAFT DEPARTED AND THE GEAR CYCLED NORMALLY. AFTER ARRIVING AT KMMU, THE MAINTENANCE FACILITY DID NOT HAVE JACK PADS FOR A LEARJET. THEY DID LOOK INTO THE NOSE WHEEL WELL FOR ANYTHING OUT OF PLACE OR DAMAGED, NO DISCREPANCIES NOTED. THE GEAR WAS ALSO LUBED/SPRAYED. WHILE IN KLBE, THE AIRCRAFT WAS LEFT ON THE RAMP IN EXTREME COLD. IT WAS DECIDED THE COLD WEATHER EFFECTED THE FUNCTION OF THE NOSE GEAR DOOR UNSAFE LIGHT AS THE INDICATION WAS NORMAL AFTER THE TEMPS INCREASED AND THE THREE NORMAL RETRACT/EXTENSIONS COMPLETED SINCE THE INITIAL ENCOUNTER.