What was found
SHEARED FASTENER LOCATED BETWEEN FS169.00 - FS173.00 AND AT WL79.50. DURING REMOVAL OF DAMAGED FASTENER, A MISS DRILLED HOLE WAS DONE COMMON TO ANGLE ACCESS DOOR (DWG CC670-33422, REF) AND MACHINED BULKHEAD FS169.00 (DWG: CC670-34204, FLANGE NOM THK OF 0.063", REF). THE DISCREPANT HOLE IS LOCATED BESIDE THE FIRST FASTENER AFT FS169.00. ORIGINAL FASTENER IS A SOLID RIVET MS20470AD4 (DWG: CC670-33040, REF).DRILL HOLE IN LH FORWARD ELECTRICAL BAY IN FWD OUTBOARD CORNER JUST AFT OF BULKHEAD / PERM REPAIR C/W BY MHI IAW REO 670-53-11-1759.