As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/EWR - FLT 6295 - DURING CLIMB-OUT AT 1330 HRS ON 4-20-96, RETURNED TO IAD DUE TO THE GEAR WARNING HORN SOUNDING. AIRCRAFT RETURNED TO IAD WITH NO FURTHER INCIDENTS. MAINTENANCE CLEANED MICROSWITCH AT POWER LEVER. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)