What was found
FLT 1148 - PIT-BGM - ON CLIMB, EXTREME VIBRATION CAME FROM TAIL. RETURNED TO FIELD. FOUND AIR CONDITIONING DUCT BLOWN OFF THE COOLING AIR TURBINE. REATTACHED DUCT. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 1148 - PIT-BGM - ON CLIMB, EXTREME VIBRATION CAME FROM TAIL. RETURNED TO FIELD. FOUND AIR CONDITIONING DUCT BLOWN OFF THE COOLING AIR TURBINE. REATTACHED DUCT. (M)