What was found
BOS - DURING OVERNIGHT CHECK, NOSE LANDING GEAR UPPER LOCK LINK ASSEMBLY FOUND WITH LINK, P/N 3914464-11, CRACKED. REPLACED NOSE LANDING GEAR UPPER LOCK LINK ASSEMBLY. PRECAUTIONARY REPLACED NOSE LANDING GEAR LOWER LOCK LINK ASSEMBLY. ACCOMPLISHED NOSE LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)