What was found
MCI - DURING OP 16 MAINTENANCE CHECK, FOUND AFT CARGO BIN LOWER DOOR JAMB CORROSION BETWEEN SKIN AND FRAME AND 3 EACH CRACKS APPROXIMATELY .25 INCH LONG FROM STA 900 TO STA 917, 17 INCHES RBL. REMOVED CORROSION PER 51-10-3. REPLACED CORRODED PARTS PER 51-01 PG 1 ITEM C. ACFT TT: 70,506 HOURS. ACFT TC: 66,322. (X)