As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, NOTICED A SQUEALING SOUND FROM RT WINDOWS. SHORTLY AFTER, NOTICED A STRONG BURNING ODOR AND VIBRATIONS FROM NOSE. TURNED OFF RADAR AND ODOR LESSENED TO JUST OCCASIONAL WHIFS. VIBRATION SLOWLY WENT AWAY. ACCOMPLISHED TSM 21-26-00-810-809A. FAN 20 HQ AT FAULT. R & R BLOWER FAN 20HQ IAW AMM 21-26-51-000-001. OPS CHECK OF AVEC SYS IAW AMM 21-26-00-710-001. TEST OK WITH NO FURTHER FAULTS NOTED.