As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BURNING ODOR NOTED BY CREW DURING CLIMB-OUT. EMERGENCY DECLARED. INSPECTED AIRCRAFT PER AMM 05-51-26. NO FAULTS NOTED. COULD NOT DUPLICATE TROUBLE. SMELL HAD DISSIPATED. OP'S CK'D DOOR AREA HEATERS--NO FAULTS NOTED. SUSPECT CAUSE OF ODOR WAS A FAN LUBE WHICH WAS DONE LAST NIGHT.