As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6258 - IAD-ALB - DURING CLIMB-OUT, MADE AN UNSCHEDULED LANDING BACK TO IAD DUE TO LEFT ENGINE IGNITION LIGHT COMING ON IN FLIGHT (AUTO IGNITION). AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED RELAY AND PRESSURE SWITCH AND MAF WAS SATISFACTORY. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)