What was found
ON GEAR RETRACTION EXPERIENCED VIBRATION FROM AREA UNDER THE COCKPIT. RECYCLED LANDING GEAR TWICE, NOISE CEASED AFTER SECOND RECYCLED. REPLACED NOSE GEAR DOOR LEFT CRANK ASSEMBLY AND ADJUSTED IAW DC8 MM 32-22-1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON GEAR RETRACTION EXPERIENCED VIBRATION FROM AREA UNDER THE COCKPIT. RECYCLED LANDING GEAR TWICE, NOISE CEASED AFTER SECOND RECYCLED. REPLACED NOSE GEAR DOOR LEFT CRANK ASSEMBLY AND ADJUSTED IAW DC8 MM 32-22-1.