As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON DESCENT DURING FINAL APPROACH TO LANDING SITE, THE PILOT & CREW REPORTED TO EACH OTHER THE DETECTION OF AN ELEC BURNING ODOR THAT CONTINUED TO GET STRONGER. AFTER LANDING & POWERING DOWN WITHIN SECONDS THE ODOR DISSIPATED. TROUBLE SHOT SYS & FOUND THAT THE AIR CONDITIONING BLOWER MOTOR TO BE THE CAUSE OF THE THE ODOR. MEL'D THE SYS, PULLED & COLLARED CB'S TO PREVENT FURTHER OCCURRENCES.