What was found
AIRCRAFT 8136, CORROSION ON SEAT TRACK LBL 23 AFT OF FRAME 72. CORRECTIVE ACTION: CUTAWAY DAMAGE SEAT TRACK LBL 23 TO CUT LOCATION PER ER/A#623168-14TR REV O. ACCOMPLISHED HFEC CUTLINE PER ANDTPBD500-A-J51-01-08-01AAD-353A-A. NO CRACKS FOUND. FIT NEW SEAT TRACK DELTA P/N#53-1123-001. ANGLES -01 AND -02 FABRICATED ON RO 704159. FABRICATED-03 AND -05 SHIMS FROM .032'' 7076 - T6 AND 04 STRAP FROM R5''7075-T6 DRILLED ALL REPAIR HOLES PER623168-14TR REV O AND EXISTING HOLES AND SEEK TRACK -06. TREATED AND PRIME REPAIR PARTS PER ER/A 623168-14TR. INSTALL SEAT TRACKS LBL 23 AND SPLICE REPAIR PARTS PER ER/A 623168-14TR.