What was found
CORROSION ON SEAT TRACK AT BS520 LBL24.5 WL208 / [01] REMOVED CORROSION ON PASSENGER CABIN SEAT TRACK STA 520; LBL 24.5; WL 208. MAX MATERIAL REMOVED WAS .024' 1' BY 4' ON TOP. OUT OF PER SRM 53-00-52-1A-1; SRM 51-10-02-0G-0. MEASURED DEPTH WITH DIAL DEPTH GAUGE ID# ATS2473; S/N UNKNOWN; EXPIRES 07/2022.; [02] VERIFIED CORROSION REMOVED AND OUT OF LIMITS PER SRM 53-00-52-1A-1; [03] UPDATED MEASUREMENT TABLE.; [04] INTALL PROTECTION OF THE EWIS DURIN MAINTENANCE BS 520 TO 480 FOR REMOVED SEAT TRACK L/H AMM 20-60-07-913-801; [05] REMOVED DAMAGED SEAT TRACK FROM BS480 - BS520; LBL24.5; WL208; IAW SRM 51-40-02-0G-0.; [06] RECEIVED SEAT TRACK FROM OSS; ALL REQUIREMENTS OF FABRICATION WERE ACCOMPLISHED ON CUSTOMER RO NO. ATSHFAB-100-301.<BR>LOCATED AN DRILLED NEW SEAT TRACK IAW SRM 51-40-05-0G-0 AND BOEING DWG. #143A5300; OK TO INSTALL.; [07] CERTIFIED ACTIONS 4; 5; & 6.; [08] RECEIVED SEAT TRACK FROM OSS. SEAT TRACK FABRICATED IN ACCORDANCE WITH BOEING DWG# 143A5310; ALL REQUIREMENTS OF FABRICATION WERE ACCOMPLISHED ON CUSTOMER RO NO. ATSHFAB-100-301.<BR>LOCATED AN DRILLED NEW SEAT TRACK IAW SRM 51-40-05-0G-0 AND BOEING DWG. #143A5300; OK TO INSTALL.; [09] CERTIFIED CORRECTION.; [10] VERIFIED CORRECTIVE ACTIONS 4;6 OK TO INSTALL; [11] INSTALLED NEW SEAT TRACK AT PASSENGER CABIN LBL24.5; FROM BS480 - BS520; WL208; IAW SRM 51-40-02-0G-0 AND BOEING DWG. #143A5300