What was found
DURING A MAINTENANCE VISIT, FOUND CORROSION DAMAGEA TO THE FUSELAGE STRUCTURE AT LONGERON BATHTUB FITTING AT STA 1520 TO 1530 AND L22R, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. RECEIVED AND INSTALLED NEW LONGERON FITTING IAW DC-8 SRM 51-1-20D.