What was found
MCI - DURING OP 16 MAINTENANCE CHECK, FOUND AFT CARGO COMPT LOWER DOOR JAM WITH CORROSION BETWEEN SKIN AND FRAME. ALSO, 3 CRACKS APPROX .25 INCH LONG FROM STATION 900 TO 917, RBL 17 INCH. REMOVED CORROSION PER SRM 51-10-3. REPLACED CORRODED PARTS PER SRM 51-01, PAGE 1 ITEM C. (M)