What was found
SJO - DURING C-CHECK, FOUND EXT FUSELAGE SKIN AT BS 727A BETWEEN STR 20R AND STR 21R WITH CRACK. L= 0.250 INCH. W = 0.005 INCH. REPAIRED EXT FUSELAGE SKIN AT BS 727A BETWEEN STR 20R AND STR 21R IAW COOPESA EO NR COO-3-53-278-00 DATED APRIL 29, 2000, AND BOEING FAX NR COO-SJO-00-00447H DATED APRIL 28, 2000 DOCUMENTED ON FAA FORM 8110-3 APPROVED AND SUBMITTED BY FAA DER DESIGNATION NR DERY-635303NM DATED MAY 4, 2000. SEE COOPESA WO NR N10316-1-238 AND VAM 100-771. (X)