What was found
AFTER NORMAL GEAR RETRACTION UNUSUAL NOISE AND VIBRATIONS NOTED FROM NOSE AREA. AFTER RETURN TO AIRPORT, NOSE GEAR DOORS STILL OPEN. INSPECTED NLG FOUND NOSE GEAR DOOR TORQUE TUBE BROKEN. R & R NLG DOOR TORQUE TUBE AND TORQUE TUBE SUPPORT ASSY (LT AND RT) AMM REF 32-21-01. REPLACED, PN 01-442-04 ROD END, 5513062-1 SUPPORT ASSY-TORQUE TUBE, 5513062-1, SUPPORT ASSY-TORQUE TUBE, 5542213-16 LINKAGE ASSY-NOSE GEAR DOOR.