What was found
EXTERNAL FUSELAGE BETWEEN FS 22 AND FS 256 STRINGERS 16L TO 19L SKIN IS DENTED, CREASED, HAS TOOL MARKS AND A GAP AT THE SKIN LAP. ECRA 726BC-53-MD80-005. THIS PROVIDES INSTRUCTIONS TO HFEC INSPECT ALL DENTS AND CREASES TO DETERMINE NO CRACKS OR OTHER DAMAGE EXISTS. REMOVE AND REPLACE THE NON-CONTOURED DOUBLER AND TO REPLACE THE PULLED THROUGH FASTENERS. ACCOMPLISH PART 1 OF THIS ECRA PRIOR TO FLIGHT. ACCOMPLISH PART 2 OR THIS ECRA AT THE NEXT C-CHECK AFTER COMPLIANCE WITH PART 1 OF THIS ECRA AND THEREAFTER AT EVERY C-CHECK.