What was found
FUSELAGE, SURFACE CORROSION UNDER L-1 DOOR THRESHOLD PLATE FS 160 TO 200. REPLACED UPPER CUSP ANGLE IN TWO SECTIONS USING SPLICE REPAIRS AT FS 184 AND FS 204 SIMILAR TO THE FORWARD SERVICE DOOR CUSP REPAIR, DC-9 SRM 53-05 FIGURE 55 AND ITS ASSOCIATED NOTES.