What was found
AFTER TAKEOFF, ACCELRATED TO 300 KNOTS. CREW EXPERIENCED MODERATE VIBRATION. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. ADJUSTED LT AND RT AFT FLAPS. REMOVED AND REPLACED AILERON HINGE SUPPORT FITTING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, ACCELRATED TO 300 KNOTS. CREW EXPERIENCED MODERATE VIBRATION. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. ADJUSTED LT AND RT AFT FLAPS. REMOVED AND REPLACED AILERON HINGE SUPPORT FITTING.