As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VIBRATION AND SLOW EXCELLARATION ABOVE V1. SUSPECT TIRE ON NOSE OR MAIN. WHEN GEAR LEVER PLACED TO OFF, GEAR DISAGREE AND TAIL SKID EICAS. GEAR UP POSITION CLEARED EICAS. EXCESSIVE VIBRATION DURING RETRACTION. ON LANDING, HELD NOSE OFF AS LONG AS POSSIBLE. WHEN IT TOUCHED DOWN WE FELT MILD VIBRATION AT THE MUCH SLOWER SPEEDCARRIED OUT FIM 32-09-00-815-803-001 PSEU BITE TEST NO FAULTS NOTED. AMM 05-51-32-201 TAIL SKID/STRIKE INSP NO DAMG FOUND. R/R LH & R/H NOSE WHEEL TIRES IAW AMM 32-45-02-401. TIRE PRESS CHECKED SATISFACTORY.