What was found
FELT AND HEARD A LOUD VIBRATION ON COCKPIT AND FRONT GALLEY FLOOR 5 MINUTES LATER SMELLED SMOKE. R & R THE AVIONICS EXTRACT FAN AND BLOWER IAW AMM 21-26-51. OPS TESTED IAW AMM 21-26-00. TESTED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FELT AND HEARD A LOUD VIBRATION ON COCKPIT AND FRONT GALLEY FLOOR 5 MINUTES LATER SMELLED SMOKE. R & R THE AVIONICS EXTRACT FAN AND BLOWER IAW AMM 21-26-51. OPS TESTED IAW AMM 21-26-00. TESTED OK.