As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6260 - IAD-BUF - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING AT IAD DUE TO PASSENGER DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND PERFORMED OPERATIONAL CHECKS ON DOOR AND COULD NOT DUPLCIATE PROBLEM. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)