What was found
DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION ON THE FUSELAGE INNER SKIN BELOW THE LEFT AFT OVERWING EXIT FS 658 TO 680, LONGERON 16L AND BELOW THE RIGHT FORWARD OVERWING EXIT FS 617 TO 639, LONGERON 16R TO 17R. REPAIRED SKIN (P/N 5911416) PER EA 12-5330-9-C0704.