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 FASTENER INSTALL DURING ACCOMPLISHMENT OF EO 4-58705-3AD (REF SB 727-57-160). MAINTENANCE UNABLE TO INSTALL REQUIRED HI-LOCK COLLAR ON SPAR-TO-SKIN ATTACH HOLE DUE TO INTERFERENCE WITH SPAR RADIUS. AUTHORIZED USE OF RADIUS BLOCK AND MINI-NUT.