What was found
UPON DEPARTURE FROM ABQ, FLIGHT CREW REPORTED A STRONG PULL TO THE RIGHT JUST AFTER TAKEOFF THRUST WAS SET. FULL LEFT RUDDER WITH A LITTLE TILLER STRAIGHTENED THE AIRCRAFT OUT. CONTINUED TAKEOFF ROLL WHICH APPEARED NORMAL. AT GEAR RETRACTION, A STRONG BURNING RUBBER WAS SMELLED. CONTINUED TO ELP TO BURN FUEL. DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED LT AND RT LANDING GEAR, LT AND RT WINGS AND FLIGHT CONTROLS, TAXIED AIRCRAFT AND RAN BOTH ENGINES TO TAKEOFF POWER. RAN LT AND RT AIR CONDITIONING PACKS. ALL OPERATIONAL CHECKS WERE NORMAL WITH NO DISCREPANCIES NOTED.