What was found
SJO - DURING C-CHECK, FOUND LEFT WING EXTERNAL ANGLE AT WBL 70.85 STR 18A WITH CRACK. REPLACED LEFT WING EXTERNAL ANGLE AT WBL 70.85, STR 18A IAW BOEING SB 737-57-1087 REV 9 DATED JULY 6, 1987 FABRICATED ANGLE IAW BOEING DRAWING 65C16958 SHEETS 1 AND 2 AND BOEING FAX NR COO-SJO-00-00400H DATED APRIL 21, 2000. SEE COOPESA WO NR N10316-5-3 AND VAM 100-073. (X)