As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON INITIATING DESCENT FROM FL350, A FAIRLY STRONG ELECTRICAL BURNT SMELL PERMEATED ENTIRE CABIN. INITIATED QRH PROCEDURES. FUMES SUBSIDED WITH THE RECIRC FANS GOING OFF. LANDED AT NEAREST SUITABLE AIRPORT - "EWR". MAINTENANCE OPERATED RIGHT AND LEFT RECIRC FANS AND CONFIRMED SMELL WAS PRESENT ONLY WHEN RIGHT RECIRC FAN WAS OPERATED. REMOVED AND REPLACED RIGHT RECIRC FAN IAW AMM 21-21-22. OPS AND LEAK CHECK GOOD.