As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFTER TAKEOFF, UPON GEAR RETRACTED GEAR DISAGREE AND GEAR DOOR EICAS MESSAGE. NOSE GEAR UP /MAIN DOWN. LEFT GEAR IN UP POSITIONPER CHECK LIST. AIRCRAFT RETURNED TO FIELD AS A PRECATUION LANDED WITHOUT INCIDENT. MAINTENANCE ACCOMPLISHED FIM 32-30-F1-05A-421A-A. THERE'S NO EICAS MSG AND MNT MSG ACTIVE. GOOD FOR SERVICE.