What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING TAKEOFF, AFTER GEAR RETRACTION, NOTICED STRONG VIBRATION AND NOISE FROM NOSE WHEEL AREA; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT GRU.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING TAKEOFF, AFTER GEAR RETRACTION, NOTICED STRONG VIBRATION AND NOISE FROM NOSE WHEEL AREA; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT GRU.