What was found
EXTERNAL DOUBLER REPAIR 8" BY 14" ON LOWER FUSELAGE BS 1166, STR 19L-20L, REQUIRES EVALUATION FOR MAJOR/MINOR DETERMINATION AND IF THE REPAIR WAS ACCOMPLISHED USING FAA APPROVED DATA. REMOVED AND REPLACED LOWER FUSELAGE SKIN REPAIR DOUBLER BS 1166 STR 19L-20L PER SRM 53-30-3, FIG 1, 51-30-2, 51-30-5, 51-30-8, 51-10-2, MAJOR REPAIR. AFTER INVESTIGATION OF PREVIOUS REPAIR AT BS 1166, STR 19L-20L WAS FOUND NOT TO BE PER APPROVED DATA.