What was found
UPPER FUSELAGE SKIN BULGING AROUND FASTENER AT STATION 446 ON STRINGER 6 RIGHT. REMOVED FASTENER AT STRINGER 6 RIGHT STATION 446 AND REMOVED EXCESS MATERIAL FROM BETWEEN STRINGER AND SKIN WHICH RELIEVED BULGE IN SKIN. HFEC HOLE INSPECTION REVEALED INDICATIONS OF A CRACK, REAMED HOLE TO .2782 PER EA B767-53-021441, SUBSEQUENT HFEC REVEALED NO CRACK. INSTALLED FASTENER PER EA B767-53-021441.