What was found
CORROSION WAS FOUND ON THE FORWARD PIT BY 'Y' DUCT IN THE SKIN BLOWN OUT (LEVEL 2) AT STATION 580 L 30 RIGHT SIDE AND FORWARD OF STATION 580 L 30. REMOVED FASTENERS, REMOVED CORRODED AREA IN INTERNAL SKIN, FABRICATED FILLER AND REPAIR DOUBLER, DRILLED, TREATED AND INSTALLED IAW DC-9 SRM 53-04 FIG 43, 51-30-0. REINSTALLED ALL REMOVED PARTS IAW DC-9 SRM 51-30-2, 51-30-5. (M)