As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN ROTOR BRAKE CALIPERS WERE INSTALLED, INBOARD MICROSWITCH CONTACTS ROTOR BRAKE QUILL HOUSING. INBOARD MICROSWITCH WAS INSTALLED DIFFERENT ON THIS CALIPER ASSY THAN THE ONE REMOVED. SCRAPPED SWITCH ASSY ON INBOARD SIDE OF ROTOR BRAKE CALIPER.