What was found
UPON A SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL RIGHT AFT EMERGENCY EXIT HATCH CORRODED INTERNALLY. REMOVED LOWER INTERNAL WEB, REMOVED AND INSTALLED NUT CHANNELS. REMOVED LESS THAN .002 MATERIAL, TREATED AND PRIMED THEN REINSTALLED WEB IAW B727 SRM 51-30-2, 51-10-2, AND MM 51-20-2. (M)