What was found
BOS - FLT 1197 - AFTER TAKEOFF EN ROUTE PVD-ORD, UNABLE TO RETRACT NOSE LANDING GEAR. AIRCRAFT DIVERTED AND LANDED BOS WITHOUT INCIDENT. REPLACED LOWER TORQUE LINK AND HOLLOW PIN FOR LOWER TORQUE LINK. ACCOMPLISHED GEAR SWING. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)