As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR: THE MAIN CABIN DOORS LATCH INDICATOR TARGET IS OBSCURED BY SOME UNKNWON MATERIAL , POSSIBLY BLUE TAPE. CORRECTIVE ACTION; GAINED ACCESS A!'ID REMOVED BLUE TAPE FROM MAIN CABIN DOOR LATCH INDICATOR IAW EMB·505E SPM 20-00-00 ALL DOOR LOCKING INDICATION SATISFACTORY NO DEFECTS NOTED AT THIS TIME.