As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF DURING GEAR RETRACTION RECEIVED €ŒGEAR DISAGREE AMD GEAR DOORS€? EICAS MESSAGES. FELT VIBRATION AS IF GEAR DOORS WERE EXTENDED. GEAR DID NOT FEEL FULLY RETRACTED, BUT NOT EXTENDED EITHER. REMOVED AND REPLACED LEFT MLG OPERATED SEQUENCE VALVE IAW AMM 32-32-08/401, LEAK CHECKED FOUND SATIS. PERFORMED LIFT THE AIRPLANE WITH JACKS PER AMM 07-11-01-582-015 AND PERFORMED OPS TEST MAIN GEAR EXTENSION AND RETRACTION PER AMM 32-32-00-705-001 FOUND SATISFACTORY.