As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD MAIN CABIN DOOR MOVEMENT IS RESTRICTED AND MAKES SQUEAKING NOISE WHEN MOVED. REMOVED FROM SERVICE. LUBRICATED FWD PASSENGER DOOR CHAIN AS PER E175 AMM TASK 52-11-22-600-802-A. NO MORE SQUEAKING PRESENT. NO OTHER VISUAL DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.