As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR OPENED AT 310KTS AND FL 320. SLOWED TO 270KTS GEAR HANDLE UP, NO HELP. LESS VIBRATION WITH GEAR HANDLE UP. *S/D* FOUND PANEL 65B07937-85 MISSING. ABSENCE OF PANEL ALLOWED PRESSURIZATION OF NOSE GEAR WHEEL WELL TO ALLOW GEAR DOORS TO MOVE OFF SENSORS. PANEL WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE.