As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6383 - CMH-IAD - DURING CLIMB, MADE A UNSCHEDULED LANDING DUE TO PASSENGER DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MX OPENED DMI 52632, MEL 52-2. MX CLOSED DMI 09-29-96 BY CLEANING AND LUBING MICROSWITCH. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)