As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GSO - FLT 990 - AFTER TAKEOFF, PASSENGERS NOTED A BURNING SMELL IN THE CABIN. FLIGHT RETURNED TO GSO AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE PERFORMED FULL POWER RUN-UPS ON BOTH ENGINES AND COULD NOT DUPLICATE THE PROBLEM. THE AIRCRAFT WAS RELEASED FOR SERVICE. (M)