What was found
EICAS MSG, GEAR DOOR DISPLAYED. WHEN RAISING GEAR AFTER TAKEOFF, THERE WAS AIRFRAME VIBRATION. ACCOMPLISHED QRH PROCEDURES & EICAS MSG CLEARED & VIBRATION STOPPED. TORQUED RT BODY GEAR SHOCK STRUT, INBD DOOR LINKAGE ROD JAM NUT IAW MM 32-14-05. INSPECTED RT BODY GEAR DOOR ACTUATOR, NO DAMAGE OR LEAKS NOTED IAW MM 32-33-01. COMPLIED WITH MM 5-51-38 201 INSPECTIONS FOR VIBRATION. NO DEFECTS NOTED. ALSO REFER TO LP 531818.