What was found
FLT 2871, CREW REPORTED A STRONG ELECTRICAL BURNING ODOR IN COCKPIT AND FORWARD CABIN, NO SMOKE PRESENT. DECLARED AN EMERGENCY, DIVERTED, AND LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. MAINTENANCE FOUND NR 2 RECIRCULATION FAN INOPERATIVE, PRODUCED ODOR WHEN RUNNING. REMOVED AND REPLACED RIGHT CABIN RECIRCULATION FAN IAW AMM 21-24-01. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.