As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED "FWD PAX DOOR" WARNING MESSAGE AT FL340. MESSAGE REMAINED FOR DURATION OF FLIGHT, ALL OTHER INDICATIONS NORMAL. MAINTENANCE CYCLED POWER IAW EMB MM 24-42-02 AND SYSTEM CHECKS GOOD IAW MM 52-70-00. THE MESSAGE RETURNED THE NEXT FLIGHT, THERE WERE NO PRESSURE CHANGES AND DOOR WINDOWS GREEN. MAINTENANCE ADJUSTED L1 DOOR WARNING SENSOR IAW EMB MM 52-72-20. ALL OPS CHECKS GOOD.