What was found
STL - AFTER TAKEOFF HAD VIBRATION FROM NOSE LANDING GEAR DOORS AFTER LANDING GEAR RETRACTION. CYCLED LANDING GEAR. FOUND RIGHT NOSE LANDING GEAR DOOR BUNGEE LINK, MFG P/N 3956785-1, DRY AND DIRTY. CLEANED AD LUBRICATED BUNGEE LINK. NOSE LANDING GEAR DOOR OPERATION CHECKED NORMAL. (M)