As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A PORTION OF THE BOLT AND A BUSHING (PN NAS72-7E007) WAS DISCOVERED ON A TAXIWAY USED BY ACFT EARLIER IN THE DAY. THE ACFT WAS INSPECTED, AND THE PART WAS FOUND BE MISSING FROM THE LT WING, INBD FLAP, OTBD FLAP CARRIAGE ASSY. THE ACFT WAS TAKEN OUT OF SERVICE. PARTS WERE SOURCED AND INSTALLED. FULL FUNCTIONAL CHECKS OF THE FLAP SYS WERE CARRIED OUT. THE ACFT WAS RETURNED TO SERVICE.