What was found
BS 780, SEAT TRACK AT BUTT SPLICE AREA, LBL 24, EXCEEDS STEP HEIGHT TO ALLOW CARGO HANDLING SYS TO BE INSTALLED. AT BS 780, LBL 24, SEAT TRACK CROWN REPAIR WAS ACCOMPLISHED DUE TO DISCREPANCY EFFECTING THE PTF CONVERSION, ON STAM MOD W/C 118310114 BZ2R02, AND STAM EA 757-5335-16-F2848, DATED 08/16/2010. THIS NON-ROUTINE IS FOR TRACKING PURPOSES ONLY. MAJOR REPAIR.