What was found
DURING BASIC 2 CHECK, MAINTENANCE FOUND GOUGE DAMAGE TO THE WINDOW FRAMES AT 6L PN 170-67477-403 BETWEEN FRAME 31 - 32, 7L PN 170-67477-403 BETWEEN FRAME 33 - 34, 15R PN 190-27007-401 BETWEEN FRAME 60 - 73 & 16R PN 170-66790-403 BETWEEN FRAME 74 - 75. THE DAMAGE WAS BLENDED OUT & THE FINAL DIMENSIONS AFTER BLEND OUT WERE SUBMITTED FOR PERMANENT REPAIR DISPOSITION. THE PERMANENT REPAIR ACCOMPLISHMENT BY REPLACEMENT OF THE GOUGE DAMAGED WINDOW FRAMES WERE ACCOMPLISHED IAW ORIGINAL PRODUCTION DWGS & SRM STANDARD PRACTICES. ENGINEERING HAS CLASSIFIED THIS REPAIR AS A MAJOR REPAIR. THE WINDOW FRAME REPLACEMENTS WERE ACCOMPLISHED IAW EO E175-53MR-120 UNDER WORK ORDER 606617.