As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED, LANDING GEAR/LEVER DISAGREEMENT AFTER TAKEOFF, GEAR WOULD NOT RETRACT. AIR RETURNED BACK TO EWR. MAINTENANCE REMOVED AND REPLACED LGEU IAW EMB145 AMM 32-32-01; REMOVED AND REPLACED LANDING GEAR SOLENOID VALVE IAW EMB AMM 32-33-04 P/N:2225-0100-003, S/N:020 MANUFACTURER: EMB/LEIBHERR INC. PERFORMED RETRACTION AND EXTENSION OF LANDING GEAR SYSTEM IAW EMB145 AMM 32-30-00. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. SDR REMAINS OPEN FOR FURTHER INFORMATION.