As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI FLIGHT 2391: JUST AFTER ROTATION, MASTER WARNING WITH FUSELAGE DOOR LIGHT ILLUMINATED ON THEN OFF. AIRCRAFT RETURNED TO FIELD. MAINTENANCE PERFORMED FUNCTIONAL TEST OF AFT PAX DOOR IAW TASK 52-12-00-720-801. NO DEFECTS NOTED. INTERROGATED PSEU HISTORY, NUMEROUS APDLK OPEN SHOWN. REMOVED AND REPLACED AFT PAX DOOR LOCK PROX SENSOR IAW AMM TASK 52-71-01-000-802 AND 52-41-01-400-802. OPS TEST GOOD. CLEARED PSEU FAULT HISTORY. AIRCRAFT RETURNED TO SERVICE.