As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTED A SWEET BURNING ODOR. CREW RAN QRH, DONNED OXYGEN MASKS AND DECLARED AN EMERGENCY. CREW CONTINUED, WHERE THEY LANDED AND TAXIED TO GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND THE NR 2 PACK RUNNING ONLY HOT. MAINTENANCE CLEANED WATER SPRAY NOZZLES IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.