As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 ARMING COVER HINGE BINDING. REMOVED FROM SERVICE. REMOVED L1 DOOR ARM/ DIS ARM COVER & HINGE. THROUGH TROUBLE SHOOTING, FOUND THAT THE ENTIRE HINGE ASSY WOULD NEED TO BE REPLACED. R&R'D HINGE ASSY. W/ AOG PARTS IAW E175 MCN NO. E250100-02 ISSUE NO. 07. L1 DOOR ARM/ DIS ARM COVER OPERATES NORMALLY W/ NO BINDING. NO FURTHER DEFECTS NOTED.