What was found
DURING ROUTINE OPERATIONS IN ANCHORAGE, AK (ANC), MAINTENANCE DISCOVERED DAMAGE TO THE ENDS OF LOWER FRAME 13 & 16 INNER FRAME T-CHORD FLANGES AT LBL19 & RBL19, NEAR THE SEAT TRACK SUPPORTS. THE T-CHORD FLANGE CORNERS WERE LOCALLY BENT DOWN WITH GOUGING ON THE TOP SIDE CAUSED BY CONTACT WITH A LONG FLOORBOARD SCREW DURING INSTALLATION. CRACKING WAS ALSO NOTED ALONG THE FILLET RADIUS OF THE FRAME T-CHORD ADJACENT TO THE DEFORMED AREAS. THE DAMAGE IS OUT OF LIMITS PER SRM APPENDIX B.