As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT EXPERIENCING ADJUSTER PIN COMPONENT FAILURE THAT INCLUDES EJECTION OF ADJUSTMENT PIN HOUSING, PIN AND NUT FROM BRAKE ASSY. CLIP THAT RETAINS ADJUSTER PIN AND NOTED BY OPERATOR TO BE MISSING AND POSSIBLY CONTRIBUTED TO PIN FAILURE.