As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 MIDFLAP / UPPER SPAR CHORD / WBL 124 / ALT FAST INSTL. DURING ACCOMPLISHMENT OF EO 4-58705-3AD, MTC WAS UNABLE TO INSTALL THE REQUIRED COLLAR AT ONE OF THE MOD FASTENER HOLES DUE TO PROXIMITY OF HOLE TO SPAR FILLET RADIUS. AUTHORIZED USE OF MINI-NUT AND RADIUS BLOCK TO FACILITATE FASTENER INSTL.