What was found
MAIN LANDING GEAR SUPPORT STRUCTURE, LT AND RT, MLG WHEELWELL - CRACKS ARE OCCURRING IN THE RIBS, PN 0822175-79, -74, CENTER RIB WEB, ORIGINATING AT UPPER AFT CORNER OF THE CUT-OUT HOLE (WHERE THE OPERATING PUSH/PULL ROD PASSES THROUGH) PROPAGATING TOWARDS TOP OF RIB. WING SKINS, P/N 0822000-9, UPPER, INBOARD ARE CRACKING ABOVE RIB, INSIDE BAGGAGE LOCKER (NACELLE). MLG SIDE BRACE SUPPORT CASTINGS, P/N 0822180-7, -8, ARE BOLTED TO THE RIBS, (P/N 0822175-79,-74). BOTH CASTINGS FOUND LOOSE AND ONE, -8, CRACKED.