What was found
CLIMB OUT OF FL180 WE GOT INTERMITTENT FUSELAGE DOOR MASTER WARNING. RAN CHECKLIST AND DIVERTED TO GEG. DESCENDING OUT OF 180 LIGHT STAYED OFF. DOOR SHOWING OPEN ON DOORS PAGE WAS EMERG EXIT TYPE II/III. DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. INDUCTANCE VALUE CHECKED IN THE PSEU IAW AMM 32-61-00-280-801 OF THE EMG DOOR SENSOR EDRCLLK, SENSOR CHECKED NOMINAL, FAULT CODE UNRSNABL FAR U00 LOGGED INTO PSEU FOR PREVIOUS LEG. PRESSURIZED AIRCRAFT IAW 21-00-00-863-801, COULD NOT DUPLICATE DOOR MASTER WARNING, REMOVED AND REPLACED THE PSEU IAW 32-61-01-000/400-801 AS A PRECAUTIONARY MEASURE. AIRCRAFT RETURNED TO SERVICE.