As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR LIGHT ILLUMINATED ON TAXI REF FIM 52-10 TASK 801. UPON ARRIVAL PSEU SENSOR I/O MONITOR CHECK SHOWED S199 SENSOR AS TGT FAR WITH DOOR CLOSED. PERFORMED SENSOR ADJUSTMENT REF AMM TASK 52-71-11-820-801. SENSOR IS NOW WITHIN LIMITS. OPS CHECK GOOD.