As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT DIVERTED TO MCO ON ACCOUNT OF REPORTED BURNT ODOR IN CABIN. EMERGENCY WAS DECLARED. MAINTENANCE ACCOMPLISHED INSPECTION OF AIRCRAFT IAW JOB CARD 26L00021001. CLEANED EXCESSIVE LUBRICANT FROM HEAT EXCHANGER DUCTING. ACCOMPLISHED DECON OF ESC WITH APU IAW AMM 21-00-00-615-002, NO ODOR NOTED.