What was found
AT FL280, HEARD VIBRATION NOISES LIKE PROPS OUT OF SYNC. THEN HEARD LOUD TONE NOISE FOR 4-5 SECONDS. THEN SMELLED AN ELECTRICAL BURNING ODOR FOR A FEW SECONDS. NO ECAMS OR ANY FAULTS. CREW REPORTED THE VIBRATION AND ODOR DISSIPATED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT FL280, HEARD VIBRATION NOISES LIKE PROPS OUT OF SYNC. THEN HEARD LOUD TONE NOISE FOR 4-5 SECONDS. THEN SMELLED AN ELECTRICAL BURNING ODOR FOR A FEW SECONDS. NO ECAMS OR ANY FAULTS. CREW REPORTED THE VIBRATION AND ODOR DISSIPATED.