What was found
DURING SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL FOUND E/E BAY LONGERON 29L AND 29R CORRODED BEYOND LIMITS FUSELAGE STATION 120, AND L30. CORRODED LONGERONS 29L, 29R AND 30 REMOVED 3 NEW LONGERONS FABRICATED IAW DC-9 SRM 53-11-1. LONGERONS TREATED AND PRIMED IAW DC-9 SRM 51-10-3 AND INSTALLED IAW DC-9 51-30, 2.125 INCH BY 19.125 INCH, 7075-T6. (M)