As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - DURING C-CHECK, FOUND THE CARGO DOOR FORWARD LOWER CORNER WITH CRACK. L = 3.00 INCHES. W= 0.005 INCH. REPLACED THE AFT CARGO DOOR FORWARD LOWER FRAME AND PERFORMED PREVENTIVE MODIFICATION ON LOWER AND UPPER CROSS BEAM IAW BOEING SB 737-52A1079 REV 6 DATED NOV 18, 1999, SECTION III, PART II AND III. SEE COOPESA WO NR N10316-1-76 AND VAM 100-0299. (X)