What was found
ON TAKEOFF GEAR RETRACTION, LOUD NOISE HEARD FROM NOSE AREA LIKE GEAR DOOR NOT CATCHING OR BINDING SHOOK NOSE OF AIRPLANE. ON GEAR EXTENSION LOUD NOISE THIS TIME GRINDING SOUND LIKE WHEN TWO GEARS NOT MESHING TOGETHER RIGHT. POSITIONED AIRCRAFT IN HANGAR. INSPECTED GEAR, GEAR DOORS NOSE CONE. NO DEFECTS NOTED. PERFORMED NUMEROUS GEAR SWINGS. NO DEFECTS NOTED. INSPECTED NOSE WHEEL WELL ACCESS PANEL SEAL. FOUND SEAL WORN.REMOVED OLD SEAL P/N FGFB291600003 FROM WHEEL WELL ACCESS PANEL AND CLEANED PANEL. NOTE ALL WORK DONE IAW F-2000 M/M CH 52-40-00-3/11/07.