What was found
FOUND CORROSION ON LONGERON AND SKIN AREA AT BS 1117-L17R IN AFT ACCESSORY COMPARTMENT. CORRECTIVE ACTION: REMOVED CORROSION, FOUND TO BE OUT OF LIMITS. REPLACED LONGERON SECTION WITH REPAIR LONGERON, TRIMMED, FABRICATED AND INSTALLED REPAIR DOUBLER. IAW DC9 SRM 51-10-2, 51-10-3, 51-10-4, 51-30-2, 51-30-5