What was found
SCHEDULED INSPECTION AT AERO CORP, FL. FOUND AN EXISTING REPAIR DOUBLER CHAFED THRU AFT VENTRAL DOOR UPPER SECTION. REMOVED, ORDERED, LOCATED, DRILLED, AND INSTALLED UPPER CHANNEL AND Z ANGLE IAW DC9 SRM 51-10-4, 51-30-2, 51-30-4, AND BOEING DRAWING NR 9915565. Z ANGLE (P/N 9915565-133) OFF.