As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD - FLT 3492 - CREW REPORTED THAT AFTER DEPARTURE THE LANDING GEAR FAILED TO RETRACT. AIRCRAFT RETURNED TO FIELD. THE AIRCRAFT ACCOMPLISHED AN UNEVENTFUL FERRY FLIGHT FROM IAD TO CLE. MAINTENANCE INSPECTED THE LANDING GEAR AND CLEANED THE A/B SYSTEM PROXIMITY SENSORS. OPERATIONAL CHECKS WERE SATISFACTORY IAW EMB-120MM 32-31-00. AIRCRAFT RELEASED FOR SERVICE. (M)