What was found
PILOTS POST FLIGHT INSPECTION REVEALED DAMAGE TO THE NOSE LANDING GEAR LOWER DOOR LINKAGE. FURTHER INVESTIGATION REVEALED THIS DAMAGE CAUSED BY THE NOSE STRUT NOT FULLY EXTENDING AND THE NOSE TIRE FORK STRIKING THE LINKAGE. THIS WAS FOUND TO BE CAUSED BY EXCESSIVE FRICTION BETWEEN THE RING ASSEMBLY AND THE STRUT SHAFT. THE EXCESSIVE FRICTIONS WAS DISCOVERED TO BE CAUSED BY CORROSION OF THE STEEL RING ASSEMBLY UNDERNEATH ITS PHENOLIC INNER LINER CAUSING ITS INNER DIAMETER TO SHRINK, THUS CLAMPING DOWN ON THE STRUT SHAFT AND NOT ALLOWING EASY EXTENSION OF THE NOSE GEAR STRUT AFTER LIFT OFF.