What was found
RT INBD SEAT TRACK COMMON TO FRAMES 21-23 CORRODED BEYOND SRM LIMITS. (LEVEL II) REMOVED SEAT TRACK SECTION FROM BETWEEN FRAMES 20-21 UP TO FRAME 23 PER ATR 72 SRM 51-25-04 REV 77. INSTALLED SPLICE, SEAT TRACK, AND RADIUS BLOCK AT FRAME 23 IAW ATR 72 SRM 51-25-04 AND 53-00-00 FIG 434 REV 77.