As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL SERVICE DOOR OPEN/NO PRESS ISSUES. C/A-FLIGHT CREW PLACARDED SERVICE DOOR WARNING SYSTEM. AUTH # 050195-B MEL 52-04 MOC # 607040. T/S SERVICE DOOR OPEN INDICATED FOUND PIN K NO CONNECTOR P7198 PUSH OUT RESET PIN K ON CONNECTOR P7198 IAW GENERAL MAINTENANCE PRACTICES OPS CHECK GOOD MEL RESTORED.