What was found
(B757-53-3-0575) PAX CABIN FR1320 - FR1540 LBL 45.5 SEAT TRACK H AS SCRATCHES AND BARE METAL AT SEVERAL SPOTS. NONE REMOVED DAMAGE IAW B757-300 SRM 51-10-02-0G-0. CHECKED LIMITS CL EAN-UP DEPTH 0.040" MAX, DEPTH 0.042" FOUND TO BE OUT OF LIMITS, T94004 IAW B757-300 SRM 53-00-52-1A-1; REPLACED SEAT TRACK AND INSTALLED CHANNEL IAW B757-300 SRM 53-00-52-2R-3 AND RESTORED SU SURFACE IAW B757-300 SRM 53-00-52-2R-3. ALL INSPECTIONS ACCOMPLISHED AT PNS ON STENGINEERING NRC 122563.