What was found
ENTRY DOOR LIGHT ON OVERHEAD PANEL ON IN FLIGHT. NO EICAS MESSAGE R/R PSEU PER AMM 32-09-04/PB401 NO HELP RETURN ORIGINAL PART. R/R L1 DOOR PROX SWITCH S194 PER AMM 52-71-01-964-211 STILL NO HELP. CONTNUED T/S PER SSM 52-71-01-101 MEASURED PIN 5 TO GND FOUND SHORTED. CONTINUE PER WDM 52-71-01-101 DISCONNECT D1678 AND D4726 MEASURED PIN 5 AND PIN 38 GND STILL EXIST. EXTRACTED PIN 5 AND PIN 38 GROUND STILL EXIST. SUSPECT WIRE IS SHORTED TO GND. ORDERED SUBSEQUENT HARWARE. T/S COORDINATED WITH TECH SUPPORT. OPEN.