What was found
POST FLT REP NOT SENDING WITH MCD OPEN MCDU DISPLAYED MAIN CABIN DOOR OPEN REQD WHEN CREW TRIED TO SEND POST FLIGHT REPORT. CYCLED MAIN CABIN DOOR OPEN AND CLOSED MULTIPLE TIMES, MESSAGE CLEARED. DOOR 1L DOOR SENSOR REPORTING TO ACARS INTERMITENT, NEEDS MORE TIME FOR TROUBLESHOOTING. PLACING ITEM ON MEL 5203ECOMPLIED WITH AND PLACED ITEM ON MEL 5203E. SPLICED S1147 SENSOR PER SWPM 20-10-13. ENTERED IN ERROR SPLICED S199 FWD ENTRY DOOR SENSOR NOT S1147 R/R DOOR 1 L SENSOR (S199) REF AMM 52-71-11. OPS TEST GOOD REF AMM 52-71-11-710-801.