What was found
WHEN THE CREW ARRIVED AT THE AIRCRAFT, THE MAIN CABIN DOOR WAS OPEN. THE SERVICE HUB CLEANERS HAVE BEEN ON BOARD AND WE'RE NOT ABLE TO CLOSE THE MAIN CABIN DOOR, THIS WAS CONFIRMED BY DOUG AT CMH MAINTENANCE THAT THE MAINTENANCE TECH AT TEB COULD NOT CLOSE THE DOOR EITHER. CREW ALSO CONFIRM THAT THE MAIN CABIN DOOR WILL NOT CLOSE. REMOVED AND REPLACED THE DAMAGED FWD UPPER MAIN DOOR LATCHING/LOCKING PIN WITH A NEW ONE AS REQUIRED. PERFORMED MAIN DOOR LATCH/LOCK RIGGING AS WELL AS FINAL LATCH/LOCK SYS RIGGING. PERFORMED DOOR OPS CHK. OPS CHKD GOOD. THE MAIN ENTRY DOOR OPS AS COMMANDED WITH NO CAS MESSAGES OR FAULTS NOTED AT THIS TIME. OPS CHK GOOD. REF M/M 52-10-00, 52-10-05,52-10-43 AND 52-10-45.