What was found
ON GEAR RETRACTION LEFT MAIN GEAR RED LIGHT STAYED ON WITH GEAR HANDLE IN THE UP POSITION. RECYCLED GEAR AND GOT 3 GREEN LIGHTS IN DOWN POSITION. RED LIGHT REMAINED ON WITH GEAR HANDLE IN THE UP POSITION, HAD HEAVY DRAG IN CRUISE. *S/D* LEFT MAIN GEAR GLAND NUT WAS FOUND FRACTURED AT THE LUBE FITTING AND OFFSET IN THE OUTER CYLINDER. GLAND NUT WAS REPLACED AND SENT TO LAB FOR ANALYSIS.