What was found
SJO - DURING C-CHECK, THE FORWARD CARGO COMPARTMENT DOOR CUTOUT, STRINGER 20 RIGHT, DOORWAY FRAME WAS FOUND WITH A CRACK AT BS 440. REPLACED THE FORWARD CARGO COMPARTMENT DOOR CUTOUT FRAME AT BS 440, BETWEEN STRINGERS 17 RIGHT AND 28 RIGHT PER SB 737-53-1051, REVISION 5, SECTION III, PART IV DATED FEBRUARY 8, 1990 AND BOEING FAX COO-SJO-99-0440RR, DATED APR 5, 1999. (M)