What was found
DURING A ROUTINE INSPECTION AT TIMCO LAKE CITY FL, FOUND EXTERIOR FUSELAGE SKIN OF AFT CARGO DOOR AT BS 935 CORRODED. CUT OUT CORRODED AREA. FORMED, DRILLED, COUNTERSUNK, DEBURRED, TREATED, PRIMED AND INSTALLED DOUBLER IAW DC9 SRM 51-10-4, 51-10-3, 51-20-0, 51-30-0, 53-04 FIG 12B.