What was found
MODERATE VIBRATION DURING CLIMB-OUT, ABOVE 260 KNOTS. VIBRATION STOPPED WHEN APPLYING SPEED BRAKES. FUEL DUMPED. RETURNED TO AIRPORT WITH NO INCIDENT. ADJUSTED UPPER ECCENTRICS ON INBOARD RIGHT FLAP. OPERATIONAL CHECK GOOD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MODERATE VIBRATION DURING CLIMB-OUT, ABOVE 260 KNOTS. VIBRATION STOPPED WHEN APPLYING SPEED BRAKES. FUEL DUMPED. RETURNED TO AIRPORT WITH NO INCIDENT. ADJUSTED UPPER ECCENTRICS ON INBOARD RIGHT FLAP. OPERATIONAL CHECK GOOD. (M)