As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT 2309: INTERMITTENT AFT PAX DOOR -OPEN- INDICATION DURING TAXI (FUSELAGE DOORS) WARNING. MAINTENANCE REMOVED AND REPLACED AFT PAX DOOR LOCKED SENSOR IAW TASK 52-71-01-000-802 AND 52-71-01-400-802. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.