As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6343 - IAD-SYR - DURING CLIMB, MADE AN UNSCHEDULED LANDING DUE TO PAX DOOR LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE CLEANED AND LUBED HANDLE MICROSWITCH, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)