As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/EWR - FLT 6261 - AFTER TAKEOFF AT 0815 HRS ON 4-20-96, RETURNED TO IAD DUE TO THE EMERGENCY DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED THE AFT EMERGENCY EXIT DOOR WARNING MICROSWITCH. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)