What was found
ON INITIAL CLIMBOUT APPROX 2000 FT "PAX DOOR OUT HANDLE" CAUTION MESSAGE APPEARED. WHILE COMPLYING WITH QRH PAGE 3, PAX DOOR WOAR MESSAGE APPEARED. QRH FOR PAX DOOR MESSAGE, LANDED AT NEAREST SUITABLE AIRPORT. LANDED OVERWEIGHT APPROX 50K LBS. UNABLE TO DUPLICATE WARNINGS, INSPECTED DOOR NO DEFECTS NOTED, INSPECTED PROXIMITY SWITCH NO DEFECTS NOTED, ACFT NO DEFECTS PSEU FAULTED DOOR PROX SWITCH, SHOWED OPEN WHEN CLOSED. DOOR PHYSICALLY OPERATES OK BUT INDICATIONS ARE INOP. PSEU SHOWS A FAULTY PSI MB + PS2MB, ADJUSTED AND REROUTED WIRE HARNESS PROX SWITCHES. OPS CHECK GOOD, IAW AMM 52-70-04. (K)